With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

The modern oscilloscope is no longer just a time-domain measurement tool, as test equipment vendors integrate logic, protocol, and spectrum analysis functions. (Image courtesy of Thinkstock). As ...

Millions of Americans have allergies. You might sniffle and sneeze as the seasons change or get itchy and teary-eyed when you dust the house or pet an animal. Perhaps you start wheezing when you eat a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Digital assets are trading well off their peak, but the industry is bigger, more institutional and more consequential than it’s ever been. These five companies show where the real momentum is now.