If you said Lithium, which has half the density of water, you’d be wrong. The answer is graphene aerogel, which holds the world record as the least dense solid.
But what is aerogel? I figured you would ask… Watch the video below 🙂
The two party system in the US is such a mirage
In the US, we have this idea there are two political parties. There are the democrats and republicans, liberal and
February 26, 2020
