Years ago I would have melted lead and poured it into the object to be weighted, maybe used a form to cast it first if there was danger of the object melting and letting liquid lead run everywhere.

An artist’s rendering of a black hole like the one in the center of our galaxy. While the black disk in the center is the ...

With the exception of black holes, neutron stars are the densest objects in the universe. As their name suggests, neutron stars are mainly made of neutrons. However, our knowledge about the matter ...

In the European Physical Journal Plus, Rafelski and two colleagues mathematically demonstrated that the existence of CUDOs (compact ultra dense objects) do not have dark matter, but are filled with ...

A research team led by Colorado State University has achieved a new milestone in 3D X-ray imaging technology. The scientists are the first to capture high-resolution CT scans of the interior of a ...

Astronomers suspect that in the first second after the universe formed, the very first black holes also formed. These tiny though profoundly dense objects — think of an atom-sized particle wielding ...

Density describes substances based on much mass they have in a certain volume. Less dense solutions and objects float on top of solutions of greater density. Disposal: Pour the liquids out of the ...