The periodic tables have the weirdest shapes in the world not everyone knows
there are many scientists who try to arrange chemical elements into logical tables. those efforts have created periodic tables with strange shapes like this.
Tags : periodic table
Revealing 11 'fictional' stories in history that we still believe in ancient times
the trojan horse, the pyramid built by slaves ... is such a fictional event in 'real' history that many people believe in them and forget the true events that happened.