Hardware

Researchers 3D print a miniature vacuum pump

Mass spectrometers are extremely precise chemical analyzers that have many applications, from evaluating the safety of drinking water to detecting toxins in a patient's blood. But building an inexpensive, portable mass spectrometer ...

Energy & Green Tech

Cooling buildings worldwide

About 40 percent of all the energy consumed by buildings worldwide is used for space heating and cooling. With the warming climate as well as growing populations and rising standards of living—especially in hot, humid regions ...