Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

Barometers are devices that measure atmospheric pressure (also known as “air pressure” or “barometric pressure”). You can use these readings to predict the weather. For instance, high pressure ...

The modern smart phone is packed full of goodies that help it figure out where it is. Internal accelerometers provide orientation, and WiFi and GPS signals combine with it to provide geographic ...

You might have read news articles claiming an EU ban on mercury means the end for the humble British barometer. But it turns out the story's a lot more complicated - as we found out when we met ...