You brush your teeth, floss regularly and faithfully wear your retainer every night. But despite your diligent oral health habits, your retainer or mouth guard can get yellowed, cloudy or stained.

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one ...

Fed up with shelling out big bucks for a flashy flagship? You’ll probably want one of the best mid-range smartphones instead. Gone are the days when opting for a sensibly-priced phone meant settling ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a ...

Ready to beef up your Wi-Fi network? A wireless range extender is a less expensive alternative to a new router. (Some can even turn your router setup into a mesh system.) Here are the top performers ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Abstract: In sensor networks with anisotropic properties, including irregular layout sensors, poor network connectivity and so on, employing traditional localization methods may lead to poor ...

Abstract: We experimentally demonstrated an ultrahigh resolution and sensitivity fiber ring laser-based torsion sensor (FRLTS) with a wide measurement range in this article. The FRLTS is constructed ...