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The first transatlantic radio signal was sent by Guglielmo Marconi in 1901, traveling from England to Newfoundland.
The first programmable computer, the Z3, was built by Konrad Zuse in 1941 in his parents' living room in Berlin.
The first photograph ever taken required an exposure time of eight hours.
Solar panels generate electricity from photons knocking electrons free from atoms in silicon cells.
The Parker Solar Probe is the fastest human-made object, reaching speeds of over 430,000 miles per hour.
A suit worn by astronauts during spacewalks costs approximately $12 million.
In Morse code, the most common letter in English ā 'E' ā is represented by a single dot.
Comic Sans was designed in 1994 by Vincent Connare, who based it on the lettering in comic books.
The average person spends about two weeks of their lifetime waiting for traffic lights to change.
South Korea has the fastest average internet speed in the world.
The entire text content of Wikipedia in English would fit on a 22-gigabyte flash drive.
The Apollo 11 guidance computer had less processing power than a modern pocket calculator.
Wi-Fi does not stand for 'Wireless Fidelity' ā it is simply a brand name created by a marketing firm.
The first ever YouTube video was uploaded on April 23, 2005, titled 'Me at the zoo.'
Bitcoin's mysterious creator, Satoshi Nakamoto, is estimated to own about 1 million bitcoins but has never spent any.
A floppy disk can hold about 1.44 megabytes of data ā a single modern smartphone photo is often larger than that.
GPS satellites must account for both special and general relativity or their clocks would drift by about 10 kilometers per day.
The first website ever created is still online ā it was built by Tim Berners-Lee at CERN in 1991.
About 90% of the world's data was created in the last two years alone.
The average smartphone today has more computing power than NASA had during the entire Apollo 11 Moon mission.
There are more devices connected to the internet than there are people on Earth.
Email existed before the World Wide Web ā the first email was sent by Ray Tomlinson to himself in 1971.
The first computer mouse was made of wood and was invented by Doug Engelbart in 1964.
The QWERTY keyboard layout was designed in the 1870s to prevent typewriter keys from jamming by separating frequently used letter pairs.
A single Google search uses about 0.3 watt-hours of electricity, enough to power a 60-watt light bulb for 18 seconds.
The first text message ever sent was 'Merry Christmas' on December 3, 1992.
The first ever computer virus was created in 1986 and was called Brain ā it was made by two brothers in Pakistan.
Phantom vibration syndrome is the false perception that your phone is vibrating, experienced by about 89% of smartphone users.
Nintendo was founded in 1889 as a playing card company, nearly 80 years before they made video games.
A single gram of DNA can theoretically store 700 terabytes of data.
If you could drive a car straight up at highway speed, you would reach space in about an hour.
The Event Horizon Telescope is a planet-sized radio dish ā an array of observatories across Earth synchronized to act as one.
The autocomplete function on smartphones has changed how people write ā with measurable effects on vocabulary.
Typewriters led to an unexpected social revolution ā requiring skilled operators, they opened office work to women.
The Dewey Decimal System, devised in 1876, organized books by subject ā still used in libraries worldwide.
The invention of the paperback book in 1935 by Penguin made books affordable for the masses.
The first emoji set was 172 characters ā created by Shigetaka Kurita for i-mode mobile internet in 1999.
The first spam email was sent in 1978 ā advertising DEC computer systems to 393 people on ARPANET.
Text messaging in China uses pinyin romanization with autocomplete ā fundamentally different from alphabetic texting.
The Library of Congress archives every tweet ever posted ā a digital equivalent of ancient clay tablets.
Social media existed before the internet ā Usenet newsgroups and BBS systems in the 1970sā80s were early forms.
The World Wide Web was invented in 1989 by Tim Berners-Lee ā he gave it to the world for free.
Email was invented in 1971 by Ray Tomlinson ā he chose the @ symbol to designate the user's machine.
The telegraph compressed communication across continents from weeks to minutes ā changing commerce, politics, and war.
The printing press democratized knowledge ā within 50 years of Gutenberg, over 20 million books had been printed.
Universal health coverage ā ensuring everyone can access health services without financial hardship ā covers 67% of the global population.
The global tobacco industry spends $9 billion annually on marketing ā disproportionately targeting youth and low-income countries.
Telemedicine expanded dramatically during COVID-19 ā it has particular promise for rural and underserved populations.
Linear programming optimizes objectives under constraints ā used in supply chains, manufacturing, and investment.
Modern aircraft wings flex significantly in flight ā the wingtips of a 787 can flex up to 7 meters.