The force of a suction cup is calculated using F=AP.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
One 75-watt bulb gives more light than three 25-watt bulbs.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The earth is approx. 6,588,000,000,000,000,000 tons.
175
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13