The force of a suction cup is calculated using F=AP.
15
Balsa wood is classified as a hard wood!
41
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
Pure water (H2O) does not conduct electricity on its own.
46
Brass doorknobs automatically disinfect themselves in about 8 hours.
18