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.

I submerged a fluorescent bulb in water and then broke it to see how it absorbs liquid, showing the surprising amount of empty space inside. ‘Our brand is crisis:’ Trump staffer caught on hot mic ...

To determine if an indirect fluorescent-antibody technic could be employed to detect cytomegalovirus macroglobulin, we measured specific macroglobulin in all serums from 50 persons (zero to 20 years ...

Do you know that the light bulb, a revolutionary invention that transformed daily life, fundamentally works by converting electricity into light through heat? This ingenious device, commonly found in ...

Working out in the heat can be merely unpleasant, or it can be dangerous, depending on the day—and there's a good way to tell what kind of day it is. This summer, I've checked the wet bulb temperature ...

Whether one of your lights went out and you only have an LED bulb on hand to replace it with, or you've decided to completely replace all of your incandescent and fluorescent lights with LED bulbs, ...

SYDNEY, Australia — The Australian government on Tuesday announced plans to phase out incandescent light bulbs and replace them with more energy-efficient compact fluorescent bulbs across the country.

Charles Krupa / AP Oregon lawmakers concerned about climate change had reason to feel good in 2023, when they passed what appeared to be a common sense bill: mandating that buildings swap out ...

Fluorescent lightbulbs use less energy than traditional incandescent bulbs, but many contain mercury, a neurotoxin that can accumulate in food sources and ultimately in our own tissues. Removing and ...

Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. We walk into a dark room and flick a light switch and don’t think ...

We all know and love daffodils and tulips in our spring gardens, but it's camassia that's a consistent visitor favorite in the BHG Test Garden, says Test Garden manager Sandra Gerdes. The tall purple, ...

Meteorologists are increasingly pointing to a different way of measuring temperature as a more accurate heat risk assessment outdoors. Siena Duncan is a former intern. The Tampa Bay Times e-Newspaper ...