A capacitor made out of the precious metal tantalum. The silver-gray tantalum beads, in the form of compacted powder, can store a lot of charge relative to their mass. This enables smaller ...

A surface-mount tantalum capacitor. By Epop [Public domain], via Wikimedia Commons Tantalum electrolytic capacitors were first manufactured for military purposed in the 1930s. These used wound ...

Tantalum is a metal in group VB of the periodic table with atomic number 73, an atomic weight of 180.95, and a density of 16.6 Mg/m 3. Its melting point is 2996 C, and it boils at 5425 C. In the solid ...

We've got tantalum to thank for making our mobiles so easy to lose. It's this element that's allowed them to evolve from the house bricks of the nineteen eighties to the Star-trek style communicators ...

It was also a time for doing parlor demonstrations, such as having a line of people holding hands and discharging a capacitor through them. The modern era of capacitors begins in the late 1800s ...