symmetrymagazine.org

vPKe4 TIL If we lost all the dead space inside our atoms, the entire human race would fit into the volume of a sugar cube.
D16rP TIL we can’t see atoms under an ordinary microscope because atoms are smaller than the wavelength of visible light. The smallest thing we can see with visible light contains 10 billion atoms.
GYKRE TIL that the decay of potassium in a typical banana will emit a positron (anti-matter equivalent of an electron) every 75 minutes or so