Balsa wood is classified as a hard wood!
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Sound travels fifteen times faster through steel than through air.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Pure water (H2O) does not conduct electricity on its own.
46
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3