In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Eddy currents are not just textbook curiosities; they are the hidden loops that appear whenever metal meets a changing magnetic field. From DIY levitation tricks to clever braking systems, these ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the ...

The three new projects in Riverside bring the club’s total investment in player facilities in the area to $52 million. Despite not being selected, the group is reserving the land in hopes their vision ...

STRAITS OF FLORIDA — At 2 a.m., oceanographer Ryan Smith was headed into his 12th hour of work with little sleep when trouble started. From the rear deck of the University of Miami’s research boat, he ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Dr. Melody Bell is a personal finance expert, entrepreneur, educator, and researcher. Melody now develops ...

A brain–machine interface (BMI) is a device that translates neuronal information into commands capable of controlling external software or hardware such as a computer or robotic arm. BMIs are often ...

Thermally activated ion migration within two-dimensional van der Waals gate dielectrics modulates charge transport in a monolayer molybdenum disulfide semiconductor, revealing an ionic–electronic ...

Lauren Graves is an educator-turned-editor specializing in personal finance content. She seeks to make complicated topics easier to understand and less intimidating to the average reader with accurate ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Looking for an alarm system to make you feel more secure? We've tested all the top professional and DIY home security systems to help you decide which is right to protect your family and property.

Ask a chatbot what it knows about you, and the answer might stop you cold. I tried it and AI turns into the most honest mirror you’ve ever looked into. Plus, the jobs actually safe from AI, ...