The full suite of scientific instruments, including cameras that will give us our eyes on Mars, the drill that will retrieve pristine soil samples from below the surface, and the onboard laboratory ...

Scientific instruments are devices used for scientific purposes that are for indicating, measuring and recording physical quantities. They are used for both natural phenomena and theoretical research.

When did balalaikas first appear, who played them and, most importantly, still play them? Here's all you need to know about the balalaika. When did the balalaika first appear in Russia? Historians ...