The Polar Loop tracks and charts the amount of sleep you get, the duration you spend in each sleep cycle, the regeneration of your slumber from REM cycles, and the solidity (the level of continuity ...

Some have disappeared from the market, while others are innovating new features...and I still miss my gen 2 Oura.

This e-bike is powered by a peak 1,300 W rear hub motor and can reach top speeds of up to 28 mph and up to 95 miles of range; ...

Electrical engineers at Duke University report they have built a record-setting pyroelectric photodetector that uses trapped light in a plasmonic nanogap to capture a signal in just 125 picoseconds ...

The European Space Agency is developing a spacecraft structure that can detect its own damage and repair itself in orbit, a ...

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...

Firefly Aerospace shared that the the Alpha Flight 7 test flight, also known as the 'Stairway to Seven' mission, will serve as the final test in the rocket's current configuration, known as Block I, ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Abstract: A novel fluxgate current sensor scheme based on a dual-core configuration is proposed in this study. By integrating a direct current (DC) zero-flux detector, an alternating current (AC) zero ...

In 2015, the YouTube channel Unfavorable Semicircle gained attention for its enigmatic and abundant video uploads, totaling ...

The March 3, 2026 total lunar eclipse amazed skywatchers worldwide. Scientists and amateur astronomers share reactions and photos from the dramatic blood moon event.