Search results for “copper powder”

Caribbean: Geological powder keg

On the eastern edge of the region, parts of the North and South American plates slide under the Caribbean plate at a rate of about two centimeters per year. Even today, 16 volcanoes are still active over a long period of time. Author: ZDF/Terra X/R. Marel/S. Hillmann/C. Gerisch/A. Kindler/SpiegelTV

Turning Mercury into Toxic Playdough

Head to https://squarespace.com/amateurchemistry to save 10% off your first purchase of a website or domain using code AMATEURCHEMISTRY In this video I go on a journey to create and experiment with the mythical clay-like copper amalgam while making some ultrafine copper powder and going through a w

How a Digital Compass Works

An analog compass responds to the Earth's magnetic field. A digital smartphone compass, however, works without a magnetic needle. The job of the magnetic needle is taken over by a sensor made of three layers. Authors: ZDF/3sat/nano/Autorenkombinat/Josephine Blume, Holger Barthel, Ingo Schwarz /Alex

The invention of the battery

By layering copper disks, cardboard dipped in acid and zinc disks, physicist Alessandro Volta invented the so-called "voltaic pile," the world's first battery. Author: ZDF/scobel/Claus Ast/Tamara Skalski/Maximilian Mohr Translation and dubbing: alugha Click here to see more videos: https://alugha