IFA 1931 hosted the first public TV demonstration

Explore 100 years of technological innovation at IFA Berlin

This retrospective highlights IFA Berlin’s century of innovation, including the unveiling of the world’s first tape recorder in 1935, the launch of color TV in West Berlin in 1967, and the first public look at HD TV in 1985.

CES debuted in 1967 amid a wave of miniaturization in at-home electronics

The rapid development of integrated circuits—the basis of computing power—in the 1960s catalyzed an industrial shift toward miniature devices, including pocket transistor radios, smaller TVs, and more. This first consumer electronics trade show (with a slate of 117 exhibitors and 17,000 attendees) sought to make everyday electronics accessible and portable. See a timeline of early consumer tech with photos.

Before the invention of transistors, vacuum tubes made radio possible

Discovered by Thomas Edison, vacuum tubes allow electrical currents to travel through empty space. Later modified into a diode—keeping current flowing in only one direction—vacuum tubes allowed electronics to turn alternating current into direct current.

Television transformed the State of the Union, beginning with Harry Truman

In 1947, President Truman delivered the first televised State of the Union address, marking the address's shift into the visual age and expanding the president's reach beyond radio to a national TV audience.

In 1898, Nikola Tesla wowed a crowd by controlling a boat with no visible connection

Some onlookers thought it was a trick, such a a monkey being inside the boat, rather than mind control or some other metaphysical phenomenon. In reality, Tesla was pioneering radio waves, proving wireless control was possible.

The first Eurovision took place in 1956

The contest was organized by the European Broadcasting Union, a collective of public broadcasters, to help unify postwar Europe. The first Eurovision took place in the spring of 1956 in Lugano, Switzerland, and was broadcast in black and white.

How David Attenborough's work in color television gave tennis balls their color

As controller of BBC Two, Attenborough wanted the BBC to achieve the first full-color broadcast in Europe and saw Wimbledon as the perfect event to make it happen. Noticing that the white tennis balls used then would stain green and become less visible on color broadcasts as matches progressed, he suggested fluorescent balls, which were eventually adopted.

Cathode rays are beams of electrons that emit light when hitting a fluorescent screen

When these beams are emitted into an evacuated tube containing charged plates or a nearby magnet, deflections are observed due to the electron charge. In 1897, J.J. Thomson's calculations of this deflection led to his discovery of the subatomic particle.

Watch a clip from the 1980 NFL Draft, the first to be broadcast on ESPN

ESPN broadcast the 1980 NFL Draft from the New York Sheraton Hotel's grand ballroom. This decision transformed the Draft from a closed, industry-only event into the nationally televised spectacle it is today, drawing over 13 million viewers annually.

Watch a 1908 Wright Flyer demo with Wilbur and a passenger near Le Mans, France

One of the earliest filmed flights, this demonstration in France helped dispel doubts over the Wrights’ claims to powered, controlled flight. Such demos helped launch the pair to fame five years after their seminal flight in Kitty Hawk.

In 1957, the BBC conducted one of the first televised April fool pranks

The reputable broadcaster reported a story about a family in southern Switzerland harvesting spaghetti from a "spaghetti tree." Some viewers didn't appreciate the joke and felt angry about being misled.

FIFA was formed in 1904 and held its first tournament in 1930

In 1930, the first World Cup was held in Uruguay after the Olympics refused to allow professional soccer players to play in the 1932 games. The host country made it to the final of the 13-team event, playing against Argentina. Watch this remastered film of the 1930 match with Uruguay defeating Argentina 4-2 in front of 68,000 screaming fans at the newly opened Estadio Centenario.

Watch one of the greatest live TV shots ever

While James Burke was filming the 1978 docuseries "Connections" at the site of a rocket launch, he pulled off a perfectly-timed gesture without use of a green screen. Some say its the greatest live shot ever in TV history.

Many scholars consider the first commercial radio broadcast to be during the 1920 presidential election

On Nov. 2, Pittsburgh, Pennsylvania, station KDKA broadcast the results of the presidential election. Leo Rosenberg delivered the news that Warren Harding had won in a landslide to an audience of around 100 people.

The first ATM—dubbed a 'cash dispenser'—was installed in 1967 in London

Specifically, the first ATM (which stands for “automatic teller machine”) made its debut at a Barclays bank in London. A timeline of ATM history can help illustrate and visualize other key events in ATM history.

'I Love to Eat' was the first nationally televised cooking show

Beard’s show, cohosted with Julia Child, debuted in 1946. It was invaluable in setting the stage for today’s massive trove of televised and online cooking content.

The origin of the World Wide Web, plus a look at its first website and web browser

Invented by Tim Berners-Lee in 1989 while working at CERN—home of the world's largest particle physics laboratory—the Web was developed to facilitate the sharing of information among scientists at institutions worldwide. By the end of 1990, the first Web server was operational as a proof-of-concept on a NeXT workstation.

Why Edwin Armstrong developed FM radio

AM radio was popular but prone to interference and static, which could be frustrating for listeners. In 1933, Armstrong, a Columbia University professor, discovered that a clearer signal could be broadcast by revising how it was captured.

Desi Arnaz devised the three-camera method for sitcoms

Early television shows were filmed with a single camera capturing multiple takes from numerous angles, making for an arduous filming process that sucked the energy from comedies filmed in front of live studio audiences. Arnaz proposed a three-camera setup that allowed the show to be filmed like a play, which soon become an industry standard.

Georges Méliès directed what many consider the first science fiction film

The French director was behind 1897's "Gugusse and the Automaton," a silent film that scholars believe features the first appearance of a robot in cinema and one of the earliest films to feature scientific experimentation.

A brief history of augmented reality (w/photos and videos)

Different sources trace the history of augmented reality back to the beginning of the 20th century,. The term augmented reality however was coined by Thomas P. Caudell in the '80s.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

Hubble's first light test produced an underwhelming photograph

This test represents the first time light travels entirely through an observatory's optical system and reaches its detectors, producing an image. Although the telescope's warped mirror was not discovered and announced until a month after first light, the issue was not responsible for the simplicity of the first light image.

Albert Einstein taught courses in Davos

This silent video from the 1920s shows footage of Einstein at Davos. The famous scientist spent time there, delivering public lectures on his theory of relativity as part of the town’s university courses.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

In 1933, the influenza virus was first identified through “ferret flu” experiments

In 1933, British researchers dripped filtered nasal fluids from a sick colleague into ferrets, which quickly developed “ferret flu.” This experiment proved influenza was viral, not bacterial, and established the basis for modern flu vaccines.

The first rooftop solar panels were installed in 1883

In 1883, New York inventor Charles Fritts created the first solar cell by coating selenium with a thin layer of gold. The cell achieved energy conversion rates of 1 to 2% compared to the 15 to 20% of modern photovoltaics.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

See the evolution of Ebola vaccine and treatment development.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

A century of Billboard issues documenting the evolution of popular music.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

After 25 people used virtual reality headsets to practice flying with virtual wings—flapping their arms—their visual cortex responded to the wings almost as if they were real arms, treating them as body parts.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.