Before a spectrometer can do any useful work, it needs to be calibrated to identify wavelengths correctly. This is usually done by detecting several characteristic peaks or dips in a well-known ...

For more details, you can check out this paint can disposal guide. I always make sure not to toss fluorescent light bulbs in ...

A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

Sat, Oct 18, 2025 People have been urged to think twice before throwing old light bulbs out as experts remind households that ...

Last Updated on October 24, 2025 by Matt Staff Fame looks different under fluorescent bulbs. These mugshots of celebrity ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Find out more about how we test and review products. We're always on the lookout for good-value products. This WindFire ...

Unsure what you can and can't put in your rubbish bin? There are some surprising items you might not have considered.

If you're like me and love the charm of vintage lamps, you've probably wondered whether they're safe to use in modern homes.

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...