All facts — Page 16
The complete ONAURE library, newest first. Every fact has an explanation and a source you can check.
2056 facts
The original Apple logo featured Isaac Newton sitting under an apple tree.
Designed by Ronald Wayne, the complex nineteen seventy-six logo showed Newton reading, with a poem on the border. It…
Nintendo was founded when the Ottoman Empire still existed.
Nintendo was founded in eighteen eighty-nine as a playing card company. The Ottoman Empire was only officially…
The first one-gigabyte hard drive weighed over two hundred and fifty kilograms.
Launched by IBM in nineteen eighty, the model thirty-three eighty was the size of a refrigerator and required complex…
Venus rotates in the opposite direction to most planets.
The planet spins from east to west, meaning the sun rises in the west and sets in the east, possibly due to a massive…
Bananas are naturally slightly radioactive.
They contain potassium-40, a naturally occurring radioactive isotope, though the radiation dose from eating one is…
The first recorded computer bug was an actual insect.
In 1947, Harvard engineers found a moth trapped in a relay of the Mark II computer, coining the term debugging.
Sloths can hold their breath for up to forty minutes.
By slowing their heart rate, they can retain oxygen much longer than dolphins, which typically need air every ten…
Australia is wider than the diameter of the Moon.
The distance from east to west in Australia is almost four thousand kilometers, while the lunar diameter is only…
The password for US nuclear silos was eight zeros for twenty years.
To ensure rapid launch, the code for all bases was set to 00000000 from 1962 until the mid-eighties, against the…
Human stomach acid can dissolve razor blades.
With a pH between one and two, gastric hydrochloric acid is corrosive enough to break down metals like zinc and steel…
Apples float in water because they are composed of a quarter air.
The volume of an apple contains about twenty-five percent air between its cells, which reduces its overall density to…
There is a giant cloud of alcohol in space.
The Sagittarius B2 cloud contains enough vinyl alcohol to fill billions of pints of beer, although it is dispersed…
Sound travels much faster in water than in air.
Water molecules are closer together, allowing sound waves to transmit energy at a speed about four times greater than…
A group of pugs is called a grumble.
The origin of the term dates back to the nineteenth century, reflecting the characteristic and constant sound these…
A teaspoon of a neutron star weighs billions of tons.
The matter in these stars is so compact that protons and electrons fuse, creating an unimaginable density on a human…
In Longyearbyen, the sun does not set for over four months.
Located in the Svalbard archipelago, the town experiences the midnight sun from April to August due to its extreme…
The first webcam was invented to watch a coffee pot.
Scientists at Cambridge University created the system in 1991 so they could see if the breakroom coffee pot was full…
Neutron stars can spin up to six hundred times per second.
After the collapse of a massive star, the conservation of angular momentum causes these ultra-dense objects to rotate…
Tooth enamel does not regenerate if damaged.
Unlike other tissues, dental enamel contains no living cells, so the body cannot repair it after it forms during…
To produce half a kilo of honey, bees visit two million flowers.
A single bee produces only one twelfth of a teaspoon of honey during its entire life, making collective work…
Russia and the United States are less than four kilometers apart.
In the Bering Strait, the Diomede Islands are only three kilometers eight hundred meters apart, separating the two…
The oldest known writing comes from Mesopotamia and is five thousand years old.
The Sumerians developed cuneiform writing around 3400 BC to record commercial transactions and administer cities.
Octopuses have three hearts and blue blood.
Two hearts pump blood to the gills and one to the rest of the body, while hemocyanin with copper gives the blood its…
The Sun rotates faster at the equator than at the poles.
Due to its gaseous nature, the Sun has differential rotation, completing one turn in about twenty-five days at the…