To turn on the keyboard light on your Mac computer, press the F6 key, or set it to turn on automatically. Here's how.

If your iPhone's sensors aren't working correctly, you may need to calibrate them. Here's how to calibrate an iPhone's brightness and motion sensors.

Variable aperture might arrive on the iPhone 18 Pro and Pro Max in 2026, adding real control over light and blur.

Keep your home safe and visible at night while saving energy via quality outdoor motion sensor lights. We tested today’s top ...

SCOTS could be in with the chance of seeing the Northern Lights tonight – and meteorologists have revealed the best way to ...

Earth’s turbulent atmosphere makes it hard to detect new planets from the ground. Astronomer Rebecca Jensen-Clem is working ...

An artificial vision sensor inspired by the human pupil adapts automatically to light, maintaining clear perception from ...

An RGB LED module is a versatile lighting component that can produce millions of colours by mixing red, green, and blue light ...

My favorite new feature isn't the design or the more powerful processor. Instead, it just makes the iPhone so much more fun to use.

After mastering how to walk on two legs, pour drinks, and even dance, humanoid robots are stepping closer to humanlike ...

Fix blurry camera issues after iOS 26 update on iPhone 17 Pro Max and older models. Follow step-by-step expert fixes to ...

The GH tech team tried wireless keyboards for 2025 from Logitech, HP and more. Here are the ones our editors recommend.