Did You Know? Quantum mechanics and gravity are at odds
Quantum mechanics explains how atoms, molecules, and other fundamental particles interact. Einstein's theory of general relativity, on the other hand, helps to explain how things work on a large scale. But there's a problem: these two branches of physics don't seem to fit together. While much work has been done to address this issue, it remains one of the most difficult problems in modern physics.
"""Feed the Birds"" was Walt Disney's favourite song. """"Feed the Birds"" was Walt Disney's favourite song. "