To repeat the experiment proposed in the previous tutorial (measurement of the effective mass of electrons and holes in semiconductors) for the case of conduction electrons in a metal, it is necessary ...

A 12-YEAR-OLD boy was wounded after a metal rod pierced his arm in Sitio Alceka, Barangay Calamba, Cebu City, around 4 p.m. on Monday, November 4, 2024. He was rushed to the Vicente Sotto Memorial ...

"I then collect these particles and melt them into a piece of metal." The process, which starts with a simple spill of sand on the phone, ends with the formation of a solid piece of metal ...

Earlier in this series, we made the case for copper being “the metal that built technology.” Some readers took issue with that statement, noting correctly that meteoric iron and gold were ...

They build bells out of metal, so that might not be the best ... That’s the question [Adam Bender] answered in a series of experiments that resulted in a great-looking CNC machine.

Scientists have invented a way to form 3D metallic objects at nanoscale. While it’s not 3D printing, per se, it is quite interesting. The approach was to mimic traditional methods of forming metal: ...