Interesting Science Facts
1. Lightest Solid Aerographene or graphene aerogel is considered to be the lightest solid material on Earth, with a density of 160g/m 3 or in other words, it is approximately 7.5 times less dense than air (however if we consider the air incorporated in the structure as well, then its heavier than air). It is so light that it can balance on a flower without deforming it (as shown in the above image). 2. Strongest Acid The strongest acid is fluoroantimonic acid. It is a mixture of hydrogen fluoride and antimony pentoxide. It is so corrosive that it can eat through glass. 3. Most Toxic Substance The main difference between toxin and poison is that toxin is obtained from a living organism while poison may be obtained from living organisms or may be made artificially. The most toxic substance till date is the botulinum toxin (botox) produced by the bacterium Clostridium botulinum (which causes botulism). It is so toxic that only 0.00007 mg of botox is enough to kill a 70kg man