Share your knowledge on Readable
Collaborate with others to annotate & explain the things you love

Around nineteen-hundred, all of physics, and particularly Einstein, was in trouble: they couldn't figure out how anything could move… Now before you complain that I'm exaggerating,...
Dear citizens of the universe, You probably know that light can reach two hundred ninety nine thousand, seven hundred ninety two measly kilometers in a second, but did you also know that physics can...