Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The sun is 330,330 times larger than the earth.
75
Diamonds can be shattered with a hammer.
-104
One barrel of petroleum holds 42 gallons.
20
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Cold water weighs more than hot water.
93