It's the kind of story that's easy to imagine, easy to remember, but whether he ever performed the experiment at the tower is debatable. Still, Galileo did perform some ingenious experiments on ...

If gravity can entangle things, he says, then it would certainly not be a classical phenomenon, “but what that means to the full structure of the gravitational field is an open question”.

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.

Gravity, deformation, and the earth's crust : in theory, experiments, and geological application / Hans Ramberg Smithsonian Libraries and Archives Object Details Author Ramberg, Hans 1917- Notes ...

Early Science and Medicine, Vol. 25, No. 4 (2020), pp. 302-327 (26 pages) This paper explores the experiments of the English mathematician Thomas Harriot (1560-1621) on specific gravity in the years ...