Why Are People Never Smiling in Old Photographs?

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Americans pose in a photo
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First developed in the late 1820s, photography combined art and science into one medium capable of capturing an image in the moment. The innovation transformed recorded history into something that could be documented in pictures as well as text. As the technology advanced, the medium exploded in popularity, making it possible for families to create snapshots of memories for future generations to appreciate. These early photographic portraits transport us back in time, painting a picture of a different way of life: Families were larger, clothes were bulkier, and postures were noticeably stiff and formal. But perhaps the most conspicuous difference of all is that no one ever seemed to smile.

The somber expressions preserved in early photographs might lead us to assume that past generations led austere and joyless lives. However, the lack of joviality in these snapshots can be attributed to several other factors. Here’s the truth behind those stern expressions in old photos.

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Long Exposure Times

In the earliest days of photography, the lengthy exposure periods made it impractical to photograph people. For instance, French inventor Nicéphore Niépce’s 1826 “View from the Window at Le Gras,” credited as the oldest surviving photograph, required an exposure time of eight hours. It was more than a decade before Louis Daguerre’s 1839 invention of the daguerreotype made portrait photography practical. But even then, it was a relatively slow and meticulous process that required the subject to remain still for as long as 20 minutes

By the early 1840s, photographic technology had advanced further, and the daguerreotype images that once required a 20-minute exposure needed only 20 seconds to process. Still, even modern photo subjects understand the difficulty of maintaining an open-mouthed smile for any amount of time. It only takes a few moments for a candid smile to turn into something more like an awkward grimace. And anyone who has dealt with a restless child can attest that more than a few seconds of remaining motionless is a formidable challenge. To minimize movement and guarantee a sharp image, children were sometimes put into restraints for the length of a photo shoot. 

Additionally, until the 20th century, the expense of photographic equipment and the toxic and dangerous chemicals needed to process film meant that most photographs were taken by professional photographers working out of studios or traveling with their equipment. A photography session was a time-consuming and pricey undertaking; it cost the average person as much as three or more months’ salary, and a person might only be photographed a few times in their life. The requirement for stillness, combined with the novelty and cost of posing for a professional photographer, created an atmosphere where it was simply easier to maintain a neutral or serious expression. But even once the technology existed to capture more relaxed expressions, it was a long time before smiling in photos became the norm.

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Early Photographers Imitated Portrait Artists 

Though technological limitations are frequently cited as the reason for the solemn expressions in old photographs, it wasn’t the only reason our ancestors so often appeared solemn in front of the camera. One notable feature shared by artist portraits from the 17th and 18th centuries and photographs from the early 19th century is the presence of stoic, enigmatic expressions on the subjects’ faces. As portrait artist Miss La Creevy observes in Charles Dickens’ novel Nicholas Nickleby, only two types of expressions existed in portraiture: “the serious and the smirk.”

Before photography, a painted portrait was the only way to preserve someone’s image for posterity. Having your portrait painted was an activity associated with wealth and social status, and accordingly, the art form had its own rules and expectations. This formal portraiture proved to be a big influence on early photographers, who featured their subjects in ways that represented their social status, occupation, or other interests. The social mores associated with painted portraits carried over into photographic portraiture, and smiling was discouraged.

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6 Inventions Often Credited to the Wrong Person

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Telescope, circa 1620
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There’s nothing more frustrating than working your socks off only to see someone else get all the credit for your efforts. Spare a thought, then, for the minds behind some of history’s most significant innovations, who, despite months, years, or in some cases lifetimes of work, find someone else’s name ignominiously attached to their invention. 

Sometimes inventions are miscredited in the public consciousness simply because a more famous name becomes associated with the creation. For example, Thomas Edison and Henry Ford — two of modern history’s most well-known innovators — are often credited with things they didn’t actually invent, through no fault of their own. Then there are the more insidious misattributions. In some instances, an idea has been copied or outright stolen, robbing the true inventor of their glory; in others, a more senior or prominent member of a team is given credit despite not coming up with the original idea. See, for example, the Matilda effect, in which notable discoveries made by women have often been misattributed to the men they worked with. 

Here are some notable inventions in history that are frequently credited to the wrong person, from the flush toilet to the iPod. 

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The Flush Toilet

No name in the history of toilets is more famous than that of plumber Thomas Crapper, partly because his name appeared on the once-ubiquitous Crapper brand of toilets, and partly because Crapper is a humorously appropriate name for a toilet (the slang word “crap” existed before Thomas Crapper). Crapper, however, did not invent the flushing device with which he is so associated. He did patent the U-bend and floating ballcock — key components of the modern toilet — in the late 1880s, but he never held a patent for the flush toilet. Much earlier, in 1596, John Harington, an English courtier and the godson of Queen Elizabeth I, described what can be considered the first flush toilet, which involved a 2-foot-deep bowl and a massive 7.5 gallons of water per flush. (Only two working models were made, one in Haringon’s own home and one in Queen Elizabeth’s palace.) The first patent for a flushable toilet was granted to the Scottish inventor Alexander Cumming in 1775. 

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The Telescope 

The Italian polymath Galileo Galilei is often credited with inventing the telescope, and it’s easy to see why. He gave birth to modern astronomy with his telescope-assisted discoveries about our moon, the moons of Jupiter, and other celestial bodies. Galileo made his first telescope in 1609 after hearing about the “perspective glasses” being made in the Netherlands. But the first person to apply for a patent for a telescope was Dutch eyeglass-maker Hans Lippershey in 1608, a year before Galileo. His telescope could magnify objects only three times, but it was nonetheless a landmark in the history of optics. (By comparison, by the end of 1609, Galileo had developed a telescope that magnified objects 20 times.) Whether Lippershey should be credited as the inventor of the telescope remains an open debate, as it is entirely possible that others created similar devices before he filed his patent. 

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7 Fascinating Facts From the History of the World’s Fair

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1964 world's fair view
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The first world’s fair, known as the Great Exhibition, took place in London in 1851. Held in the Crystal Palace — a massive exhibition hall made of glass and iron — the fair displayed marvels of industry and science as well as works of craftsmanship and art from around the world. Since then, more than 100 world’s fairs have been held in over 20 countries, and countless inventions have made their debut at these massive events, from the telephone to cotton candy. Though the world’s fair has declined in popularity in the United States, it remains popular throughout much of the rest of the world. Here are seven highlights from the history of these fascinating exhibitions.

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One Fair Sparked a Frenzy for Plastic Pickles

The 1893 World’s Columbian Exposition in Chicago (named in honor of Christopher Columbus) was ripe with opportunity for food sellers. But H.J. Heinz — an American purveyor of pickles and ketchup — was frustrated with his booth placement. While the main floor showcased food exhibits from Germany, Great Britain, Mexico, and other nations, Heinz was stuck on the second floor where there was little foot traffic. He devised a marketing plan that promised a free prize to anyone who visited his booth: a small green plastic pickle pin. The pins were a massive hit; the crowds that flocked to his booth were so large that the floor reportedly sagged around the display. By the end of the exhibition, Heinz had given away more than 1 million pickle pins, paving the way for his brand to become a household name.

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Baby Incubators Started as a Carnival Attraction

The baby incubator — a lifesaving device in which premature or sick infants can develop — was invented in the 19th century by French obstetrician Stéphane Tarnier, who got the idea after seeing baby chicks being incubated at a zoo. The invention was widely adopted decades later, thanks to the work of two men, Pierre Budin and Martin Couney. Determined to popularize the groundbreaking technology, Budin and Couney displayed six incubators complete with real premature babies at the 1896 Great Industrial Exposition of Berlin, in an exhibit they dubbed “Child Hatchery.” The exhibit was so popular that Couney went on to set up a permanent exhibit in an unlikely location: the Coney Island amusement park in New York. For the next four decades, Couney managed a neonatal intensive care unit that saved thousands of babies while doubling as a carnival attraction. Despite not being a licensed doctor, Couney is now widely credited with the adoption of the baby incubator into mainstream medicine.

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6 Items You Would Find in a Kitchen 100 Years Ago

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Woman using hand mixer
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Over the past century, the typical home kitchen has undergone a significant transformation, reflecting both social changes and new technology. In the 1920s and ’30s, kitchens were primarily utilitarian spaces with a focus on functionality and easy-to-clean surfaces. Appliances were limited, hand mixers had cranks, and gas ovens, which had replaced wood or coal-burning stoves in most homes, were starting to themselves be replaced by electric ovens. 

The post-World War II consumerism of the late 1940s and 1950s brought bigger kitchens for entertaining and more labor-saving appliances, including blenders, mixers, and dishwashers. The kitchen space became more streamlined and functional, and the 1960s and 1970s brought countertop food processors and microwave ovens into the mainstream.

Open-plan kitchens and islands became increasingly popular in home design throughout the 1980s and ’90s, indicative of the kitchen’s role as a hub for family and friends to gather. That trend continued into the 21st century, along with a significant shift toward high-tech kitchens, smart appliances, and a focus on sustainability. Today’s kitchens — reflecting the changing ways we prepare, store, and consume food — look dramatically different than they did a century ago, making many once-popular items obsolete. Here are six things that your grandparents and great-grandparents might have had in their own home kitchens a century ago.

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An Icebox

Before the widespread availability of electric refrigerators, iceboxes were used to keep perishable food cool. These wooden or metal boxes had a compartment for ice at the top, and fresh ice was delivered each week by an iceman. The design of the icebox allowed cold air to circulate around the stored items, while a drip pan collected the water as the ice melted. Naturally, iceboxes fell out of fashion as electric fridges went mainstream. In 1927, General Electric introduced the first affordable electric refrigeration, which relied on a refrigerant for cooling rather than ice.

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A Butter Churn 

Before commercial butter production made it possible to buy butter at the market, churning cream into butter was an activity done at home. The hand-crank butter churn was introduced in the mid-19th century, and it became the most commonly used household butter churn until the 1940s. In the early 20th century, the Dazey Churn & Manufacturing Company began producing glass churns that could make smaller quantities of butter much quicker than the larger, time-intensive churns. Once the butter was churned, it could then be poured or pressed into decorative molds for serving.

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6 Otherworldly Facts About the Space Race

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Astronauts and cosmonauts
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As tensions rose on Earth during the Cold War, the United States and Soviet Union also vied for celestial supremacy. The space race between the two superpowers began shortly after World War II, and captivated the public until tensions finally eased in the 1970s. With the help of top scientists and talented pilots, Americans, Soviets, and other nations sought to do the seemingly impossible by conquering the final frontier. These decades were marked by scientific achievements and setbacks that make this space-obsessed era one of the most fascinating periods in the 20th century. Here are six facts about the space race.

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Fruit Flies Became the First Animal Sent Into Space in 1947

Long before humans reached the stars, fruit flies became the first living organisms to be intentionally blasted into space. Beginning in 1946, the U.S. military conducted a series of experiments in New Mexico’s White Sands Missile Range with future space flight in mind. Utilizing V-2 ballistic missiles — which had been seized from Germany by the U.S. after World War II — the government propelled biological samples such as corn and rye seeds as far as 80 miles into the sky — well beyond the 66-mile distance that NASA now considers the limits of outer space. On February 20, 1947, a capsule containing fruit flies was affixed to one of said missiles and launched to a height of 67 miles above the ground. The flies were chosen to test the effects of cosmic radiation on living beings, and were the perfect candidate for a number of reasons, including their small size, minimal weight, and a genetic code analogous to that of humans, containing similar disease-causing genes. As the rocket began its descent, the capsule detached and drifted back down to Earth using a parachute, and the flies remained alive and unaffected.

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Apollo 12 Was Struck by Lightning

In November 1969, just four months after Apollo 11 landed on the moon, the Apollo 12 mission took to the skies. But what was scheduled to be a standard launch experienced near-disaster just 36.5 seconds into the flight, as lightning struck the Saturn V rocket. The unexpected event disrupted the onboard control panels, causing astronaut Dick Gordon to confusedly exclaim, “What the hell was that?” before yet another bolt struck at the 52-second mark. With alarms blaring and equipment malfunctioning, the puzzled astronauts continued to troubleshoot the spacecraft while not fully understanding what had happened. Ultimately, the crew shifted the craft to an auxiliary power supply that allowed the mission to continue as planned. Around three minutes into the flight, astronaut Pete Conrad wondered aloud if they’d been struck by lightning, and by the 11-minute-and-34-second mark, the crew was successfully floating in space. With disaster averted, the Apollo 12 astronauts became the second group of individuals to walk on the moon.

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5 of the Most Famous Planes to Ever Take the Skies

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Boeing 747
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Humans have been fascinated with flight for a long, long time. The ancient Chinese built the first kites, mimicking the shapes of birds, as far back as 475 BCE. Around 300 BCE, the ancient Greek mathematician Archytas built a steam-propelled flying pigeon. And then there was Bladud, king of the Britons, who, according to legend, was so obsessed with the idea of flight that around 850 BCE he donned a pair of homemade wings, jumped off a building, and promptly fell to his death. 

It’s safe to say that humans have progressed since the days of Bladud. Flight is now a fundamental part of human society, from the way we travel to the way we wage wars. Since the Wright brothers took the first and most famous powered flight in 1903, aviation has developed at breakneck speed, taking us across the sound barrier and even beyond our own atmosphere. 

Here are five famous planes that have shaped the history of aviation and, in so doing, the history of human progress itself. 

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The Wright Flyer

At Kitty Hawk, North Carolina, on December 17, 1903, the Wright Flyer completed the world’s first successful flight of a powered, heavier-than-air flying machine. Brothers Wilbur and Orville Wright had achieved sustained and controlled aviation, with the best flight of the day covering 838.5 feet in 59 seconds. The Wright Flyer — a biplane with a wingspan of 40 feet and one 12-horsepower four-cylinder engine driving two pusher propellers — should have instantly become the most famous flying machine in history, but it didn’t. The Wright brothers had achieved something so incredible that much of the public — including scientists — remained skeptical. It took time to convince them that the course of human flight had, indeed, been changed forever. 

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The Spitfire

The Supermarine Spitfire is the most famous British fighter aircraft in history, and it was an iconic symbol of freedom during — and after — World War II. It was a vital Allied aircraft in 1940, helping to defeat wave after wave of German air attacks during the pivotal Battle of Britain. It was also the only fighter plane capable of taking on the deadly Messerschmitt Bf-109E on equal terms. Even today, the sight and sound of a Spitfire in the skies above Britain is enough to send shivers down the spines of anyone watching from below. Special mention must also go to the Hawker Hurricane, which sometimes sits in the shadow of the more famous aircraft. The Hurricane, built 20 years earlier than the Spitfire, shot down more than half of all the enemy airplanes destroyed in the Battle of Britain.

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6 Facts About Ancient Navigation

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Thousands of years ago, the oceans seemed a lot wider, even unnavigable. Before mariners developed tried-and-true navigation techniques, sailing the seas involved a lot of guesswork — or, if you want it to sound cooler, “dead reckoning.”

Slowly, our ancestors moved beyond their initial stabs in the dark. Some looked to the sky, using their new knowledge about the cosmos to help them better understand life on Earth. Others took a keen interest in the seas, learning to intuitively navigate the vast expanses based on their currents and swells.

Nowadays, we have a relatively easy time getting around — thanks, GPS! — but it took a long time to get here. How were Polynesians able to cross thousands of miles of open ocean more than 3,000 years ago? Which seafaring society might have successfully used crystals to find their way? What persistent navigation myth just won’t die? Read on and get your sea legs with these six facts.

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Polynesians Were Pioneers of the Open Ocean

In the early days of ocean navigation, explorers stayed pretty close to the shoreline and used visible landmarks to mark their position. However, Polynesians, the first developers of open ocean exploration, set off from New Guinea and moved eastward in about 1500 BCE. After first traveling to the adjacent Solomon Islands, they gradually journeyed farther and farther east. Their vessel of choice was a double canoe with two hulls connected by crossbeams, kind of like a catamaran.

Venturing out into the open ocean, these explorers eventually reached Fiji, Tonga, Samoa, and Tahiti. They then traveled more than 2,600 miles north to Hawaii — longer than the distance across the U.S. from Portland, Maine, to Seattle, Washington. By roughly 1,000 or possibly 1,200 CE, the descendants of those early explorers populated the entire Polynesian Triangle, the three corners of which are Hawaii, Rapa Nui (aka Easter Island), and New Zealand.

The Polynesians didn’t have any navigational instruments that we know of, so how did they do it? Although their navigation techniques were passed down orally, historians think they navigated using stars, ocean swells, the sun, the moon, and migratory birds. Some Pacific Islanders navigated simply by using the waves themselves. In 1976, a group of Polynesian canoeing enthusiasts made the Tahiti-Hawaii trip using no navigational instruments and a traditional voyaging canoe — a feat that’s since been repeated several times.

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Some Early Nautical Charts Were Made From Shells and Sticks

A nautical chart provides not only topographical information, but also details about the behavior of the sea, such as how tidal patterns interact. Today, we can easily read this data on screens and paper, but ancient Micronesian navigators called ri-metos recorded their knowledge using elaborate “stick charts” made from palm strips, coconut strips, and cowrie shells. 

As you might imagine, these charts weren’t especially portable, so they were designed to be memorized before a voyage. The charts didn’t follow any kind of uniform style, and some of them were only designed to be read by the person who created them, so they can be hard for modern viewers to interpret. We do know, though, that some charts depicted general ocean patterns, while others contained precise piloting instructions.

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6 Fun Facts About Cars Through History

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Four-wheeled Benz
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The story of the automobile is, in the grand scheme of history, fairly short — but cars have come a long way since the steam-powered horseless carriages of the early 1800s. What started as a pastime for enthusiasts and the wealthy spread quickly throughout society, unlocking all sorts of new ways and places to travel. Even as modern cars get more and more advanced, vehicles from the past still capture our imagination, conjuring up images of muscle cars, luxury convertibles, and the open road. So hop in your DeLorean and get ready for five facts from the vehicular past.

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The Model-T Ford Cost $290

At the end of 2022, the average cost of a new car was a whopping $48,681, a record-setting high. So it might be hard to believe that in the 1920s, when cars were still a relative luxury item, you could get a brand-new Model T Ford for just $290, or right around $5,000 in today’s dollars. These days, that’ll barely get you a 10-year-old Ford Focus.

The price wasn’t always that low; when Model-T runabouts first hit the market around 1908, they cost $825, or roughly $17,000 today. The price was still lower than the average person’s yearly salary, though, and that was by design.

“I will build a car for the great multitude,” Henry Ford said of his design ethos for the Model-T in his 1922 autobiography. He envisioned a car that was convenient and high-quality, but “low in price that no man making a good salary will be unable to own one.”

In 1912, there were fewer than 10,000 automobile registrations in the United States. By 1927 — the last year of the Model-T — Ford had slashed the price, and automobile registrations had soared to more than 20 million.

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The First Practical Gas Car Topped Out at 10 Miles per Hour

Steam-powered “horseless carriages” date back to the 18th century, but the first practical vehicle with an internal combustion engine was designed by engineer Karl Benz in 1885. The Benz Patent-Motorwagen had three wheels and not a lot of oomph; a journalist who drove a replica of one for Car and Driver in 1986 reported that it “gathers speed like a fog bank cresting a hill.” Its one-cylinder, four-stroke engine generated just one horsepower, and at 400 revolutions per minute, it could reach a max speed of 10 miles per hour (unless it was headed downhill). It was not hard for someone on foot to outrun the car.

Nevertheless, the Patent-Motorwagen was the first modern car to actually hit the market, and more than 25 of them were built between 1886 and 1893. Sales quintupled the following year, with more than 136 selling in 1894 alone.

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5 Ways Albert Einstein Changed the World

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Physicist Albert Einstein
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German-born physicist Albert Einstein (1879-1955) was so influential, his very name has become synonymous with genius. While working as a patent clerk in 1905 at the age of 26, Einstein submitted four papers to the German journal Annalen der Physik that changed humanity’s perception of time, gravity, and light. Today, historians mark the year as Einstein’s annus mirabilis, or “miracle year” — and he was just getting started. 

Much of Einstein’s work is famously dense. Few people other than physicists need to fully comprehend the mind-bending ideas behind the general theory of relativity and Einstein’s other theories, but these discoveries form the bedrock of technologies the rest of us enjoy every day. Here are five ways Einstein’s ideas changed the world, and continue to provide a roadmap for humanity’s future. 

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GPS Would Be Impossible Without the General Theory of Relativity

Some 10,900 nautical miles above our heads, 31 satellites orbit Earth as part of the Global Positioning System (GPS) — but if it wasn’t for Einstein, those satellites would be little more than space junk. The very foundation of GPS is accurate timekeeping, as satellites need to keep time to correctly log the distance from a ground-based receiver (such as your smartphone). GPS satellites are so precise, the atomic clocks on board are accurate to within three-billionths of a second, a feat impossible without Einstein’s special and general theories of relativity. The special theory of relativity states that time flows differently depending on velocity. Because satellites travel at 8,700 miles per hour, they “lose” 7 microseconds per day compared to Earth-based receivers. Additionally, Einstein’s general theory of relativity — an idea published in 1915 that basically elaborates on his previous theory by throwing gravity in the mix — similarly states that distance from a source of mass, in this case the Earth, also affects the flow of time. This means that technically speaking, your head ages slightly faster than your feet because your feet are closer to the Earth (on time scales that are ultimately negligible). Today, GPS takes into account this “time dilation,” so satellites always know where you are when you open Google Maps. 

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The Surprising Origins of 6 Everyday Objects

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Toothpaste on toothbrush
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The objects we use in our everyday lives can easily be taken for granted. Simple conveniences such as lighting or the cars that get us from point A to point B are so ingrained in the day-to-day that we don’t stop to think about what life would be like without them — let alone how they even got here in the first place. 

Some stories are more familiar than others: Thomas Edison famously toiled for years (and built on the work of others) before finalizing the first practical incandescent lightbulb, while Karl Benz’s 1901 Mercedes became the prototype for all modern cars that followed. But what about our toothbrushes? Air conditioning? Or the most vital of daily tools, the intangible but indispensable Wi-Fi network? Read on to learn about the surprising origin stories of six everyday objects.

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The Basis for Wi-Fi Was Invented By a Hollywood Starlet

The invention of Wi-Fi has sparked plenty of debates and disputes over the years. Various individuals and organizations contributed to its development, and while the specific inventor of Wi-Fi is a matter of contention, one unexpected notable figure played a significant role in laying the foundation that made it possible: actress and inventor Hedy Lamarr.

Lamarr is known for her Hollywood career in the 1930s and ’40s, but her accomplishments went beyond the silver screen. During World War II, she teamed up with composer George Antheil to create a secure communication system that would prevent signal interference by enemy forces. This “frequency hopping” system was intended to guide torpedoes, and is widely considered the precursor to not only Wi-Fi, but GPS and Bluetooth technologies as well. However, Lamarr and Antheil’s patent expired before it got used, and only in modern times is the actress receiving the credit she deserves for enabling these transformative technologies.

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