A sensor shield (or dust cover) is a dummy shutter that flips down when you turn off the camera to shield the sensor from airborne dust and dirt when changing lenses. They tend to feature on ...

A team of scientists from Korea and Japan has discovered a new type of crystal that can "breathe"—releasing and absorbing oxygen repeatedly at relatively low temperatures. This unique ability could ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

If you regularly change lenses on your camera, dust or debris will eventually end up on your sensor. There are things you can do to mitigate that, but any time you expose your camera's interior to the ...

Abstract: A multifibre optic sensor was developed in order to measure the battery electrolyte density at several heights. In this paper, the sensor calibration procedure is presented after temperature ...

Changing lenses outside can feel like a risky endeavor. After all, during the swap, your camera's interior will be exposed to the elements, potentially allowing dust, dirt or moisture to land on your ...

Apple is making another attempt to appeal the trade ban that forced it to remove the blood oxygen sensor from its smartwatches, Reuters reports. The company was forced to remove the feature in 2024, ...

The technique sounds so outlandish that it won an IgNobel prize in 2024. But the science behind rescuing people with blocked airways and clogged lungs by rectally delivering oxygen to the body is no ...

At the end of 2023, Apple had to briefly stop selling Apple Watch Series 9 in the US due to a legal battle with Massimo. At the time, the US International Trade Commission ruled that Apple infringed ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

Hydrogen sensor. Credit: Thomas Anthopoulos. As the world moves toward cleaner energy, hydrogen is seen as a key alternative to fossil fuels. However, hydrogen is clear, odorless, and highly flammable ...