Physics Facts & Trivia
Sunlight exerts pressure (solar radiation pressure). Sciensational.comSubmitted by: Hemant - India
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The mass of our entire atmosphere is estimated to be some 5.5 quadrillion tons (55 followed by 14 zeros). Sciensational.comSubmitted by: Sruthi R - Coimbatore, India The diameter of a proton is approximately 0.000000000001mm (1/25,000,000,000,000in). The amount of water beneath our ground soil is 50 times as much as all the water in the rivers and lakes combined. Sciensational.com The first ten feet of the ocean hold as much heat as the Earth's entire atmosphere.
On average, our bodies constantly resist an atmospheric pressure of about 1kg per square cm. Sciensational.comSubmitted by: Dashney - Canada |
A rubber band shrinks when heated and expands when cooled because of the change in its Entropy state. 
Due to the effect of Thermal Expansion, the Eiffel Tower is upto 15cm taller in summer. 
Radar is an abbreviation of Radio Detection And Ranging. 
If an atom were the size of a stadium, its electrons would be as small as bees. 
Laser is an abbreviation of Light Amplification by Stimulated Emission of Radiation. 
Light does not age. 
At 25, Physicist Lawrence Bragg is the youngest person to receive a Nobel Prize. 
Atom is over 99.9% empty space.
The most powerful lasers are made with Neodymium-doped Yttrium crystals. In a fraction of a second, they produce more power than the whole United States. 
The effect of Relativity made Astronaut Sergei Avdeyev a fraction of a second younger upon his return to Earth after 747 days in space. 
The Dead Sea is so dense with salt, you can easily float on it without drowning. 
Lake Baikal in 
The world's densest wood, the Black Ironwood (Olea laurifolia), does not float on water and therefore sinks. 
The lightning bolt is 3 times hotter than the Sun.