So, I know if I let drop this apple,it will fall because of gravity ... the science!You've got it, because actually, I want to show you somethingpretty surprising.I've set up a simple experiment ...

Centuries later, the Roman engineer and architect Vitruvius argued for the concept of specific gravity rather than mass alone. Da Vinci’s sketch and the Caltech experiment replicating it.

A multi-institutional team of physicists is proposing an experiment to test whether gravity behaves as a quantum entity when measured. They published a description of their experiment in the ...