How long did dinosaurs exist on Earth?
Dinosaurs have lived on Earth 75 times longer than humans – that is approximately 150 million years.
How do astronauts wash their clothes?
Because water on the International Space Station is a precious resource, astronauts eject their dirty clothes into space to burn in the …
How thin can gold get?
Hammered into extremely thin foil (gold leaf), one ounce of gold can be beaten thin enough to cover an entire acre of …
Pizza in space
Pizza Hut made a delivery to the International Space Station in 2001. They paid the Russians $1m to transport the pizza.
Top 12 Measurement Namesakes
These measurements were named after the people who discovered them
Consecutive numbers
111,111,111 * 111,111,111 = 12,345,678,987,654,321 or 12 quadrillion 345 trillion 678 billion 987 million 654 thousand 321.
The quietest room in the world
The quietest room in the world lets you hear your internal organs and can cause hallucinations if you stay inside for more …
How many parts are in a Boeing 767 airplane?
There are 3.1 million parts in a Boeing 767 provided by more than 800 suppliers.
What does “one second” mean?
A second is defined as being 9,192,631,770 times the time it takes for a caesium-133 atom to swap hyperfine levels in its …
How long does it take for an electric kettle to boil water?
In the US, Canada, Japan et. al. where ≈ 120 V mains is used, it takes more than 1½ minutes longer to boil …
