In a world grappling with a multitude of health threats—ranging from fast-spreading viruses to chronic diseases and drug-resistant bacteria—the need for quick, reliable, and easy-to-use home ...

Ingots are sliced into wafers just a few millimeters thick, lapped and polished to a flawless mirror shine, and then etched with functional patterns (such as resistors, transistors, and capacitors ...

Another way is building 3D chips, which squeeze more transistors into the same area without making transistors smaller. Kim’s team did both, building a 3D chip out of vertically stacked 2D ...