In this video I show you how much vacuum there is in a fluorescent tube light bulb. I talk about how they work and why they need a low vacuum.
In natural environments, bacteria rarely live as free-swimming cells but are attached to surfaces as biofilms in medical ...
After reviewing bulbs from GE Lighting, Philips Hue, Cree, Lifx and more -- and checking the results from our excellent CNET labs -- I’m ready to share my top picks for floodlight bulbs that can do it ...
We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house. I'm PCMag's managing editor for consumer ...