Atoms and Molecules What is an Atom? Matter can be described as any object that occupies space and has weight and mass. It is always found in one of three states- solid, liquid or gas, but no matter which state it is in, matter is made up of microscopic particles called atoms. An a...
How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-) 'Canceled' or 'cancelled'? Why is '-ed' sometimes pronounced at the end of a word? What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words ...
The film follows the development of an American girl named Riley from birth until the age of 11. That sounds kind of dull, and it possibly would be if it weren’t for the twist: Riley is only a surrogate protagonist. The real action takes place inside her brain, where a bunch of anth...
Both George and I were a little dubious that violating Lorentz invariance was the way to make a serious contribution to particle physics. To our surprise, the paper turned out to be quite influential. In retrospect, we had shown how to do something interesting: violate Lorentz invariance by co...