How Do Metal Detectors Work?

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...
MarketWatch

Is the stock market open today? Does the post office deliver mail on Columbus Day/Indigenous Peoples’ Day?

Americans will observe Columbus Day/Indigenous Peoples’ Day on Monday, a day that has become a lightning rod of controversy. Originally known just as Columbus Day, the holiday, which has its roots ...
IEEE

Laser-Assisted Bonding of a Miniature Multichannel Laser Diode Chip to a Silicon Photonics Integrated Circuit with Through-Silicon Alignment

Abstract: The progression of hybrid integration technology for compact electronics and photonics systems is placing increasing demands on the development of novel automated procedures capable of ...