Sentences with phrase «about incandescent»

We all know about incandescent light bulbs, those energy guzzling lights that cast a beautiful, warm glow unparalleled, some say, by compact fluorescent lamps (CFL) and light emitting diodes (LEDs).

A chief complaint about incandescent light bulbs is that they waste so much electricity through heat.

Why are you still printing letters repeating old falsehoods about incandescent bulbs (13 August, p 31)?

Not exact matches

The bulb An 8.5 - watt LED bulb produces 600 lumens of light, about the same as a 50 - watt incandescent bulb, but uses up to 80 % less power.

Upon entering Raku, guests discover that everything about is aglow — from the illuminated onyx bar, to the purple and gold light filtering through the extensive millwork, to the incandescent canopy ceiling of white two - dimensional flowers.

The power and reach of the 60 - watt incandescent bulb About 20 percent of carbon dioxide emissions associated with buildings in the United States are related to indoor lighting.

New U.S. regulations, starting January 1, cap energy consumption of a roughly 1,600 - lumen bulb (equivalent to a standard 100 - watt incandescent bulb) at 72 watts — which means the workhorse of home lighting will have to become about 30 percent more efficient overnight.

Cost has been the major obstacle for LEDs, which last up to as 50,000 hours (10 years if used 12 hours a day)-- gradually dimming over time — compared with about 800 hours for a typical 100 - watt incandescent.

Each Perseid meteor is part of a swarm of sand - grain - size bits of space dust that create a white - hot trail of incandescent gas when they crash into Earth's atmosphere, about 50 to 100 miles up.

Field emission electron sources catch scientists» attention due to its ability to provide intense electron beams that are about a thousand times denser than conventional thermionic cathode (like filaments in an incandescent light bulb).

A 100 - watt incandescent bulb, in contrast, typically emits about 1,500 lumens.

Ben Haller calculates that a 25 - square - centimetre solar panel in a room lit by a 100 - watt incandescent bulb will gather about...

Overall, the white incandescent light brought in the largest number of insects, about 8.2 per hour.

But it's through Kurosawa's admiration and transfiguration of Ford's themes — then Sergio Leone's incandescent prism of dirt and blood that transfigured Kurosawa's (and Ford's) ideas about heroics and individualism into something poetically base — from which Peckinpah1 took his cues.

If the map lights are regular incandescent lights, they consume about 5 watts.

[An] outstanding crime novel... Leavened throughout with Miller's wry reflections on Norway's «chronic sense of discontentment,» this incandescent exposé of European and American mores profoundly entertains and provokes disturbing questions about personal and societal values.»

Weighing in at 3.3 ounces, that's about the same as a light bulb (incandescent, not fluorescent).

And one of the speeches about «The only free men the world has ever known,» and literally had a moment of incandescent rage and shouted at the book, «You hunted slaves!»

ABOUT DEBORAH HARRY The name Deborah Harry evokes many images: seminal rock «n «roll figure, complex songstress, incandescent front woman, and fashion icon.

I have designed a new light room that will create two pyramid shaped images — one of the skylight about, the other of the incandescent lamps in the room.

I'm not about to give up radio, so I'll have to remain with incandescent lighting until this problem is solved.

Sure, I can cite the Americans With Disabilities Act and ask my boss to provide an incandescent bulb for my desk lamp, but what about the rest of the fluorescent - lit workspace, or the department store, the supermarket or the classroom?

What about all the lamps and track lights that use decidedly non-standard bulbs, halogen and incandescent?

Lighting residential and commercial buildings accounts for about 1/4 of all electricity used in the U.S. according to the Department of Energy, and since most of that light is produced very inefficiently (incandescent and halogen light bulbs could be

Heat is the Enemy of LEDs What's clever about the shape of this heatsink / radiator is that is allows light to escape on the sides and bottom of the bulb, making it a better replacement for a CFL or incandescent bulb (more on that below).

The reporter, Karen Youso, wrote that the city's tree - lighting practices, with 60,000 incandescent bulbs burning around the clock for five and a half weeks, costs about $ 1,300 and results in 18.7 tons of carbon dioxide, the main heat - trapping emission from human activities.

So, what does the indisputable, factual science tell us about the global warming impact of keeping incandescent light bulbs out of the hands of Americans?

A single 10 - watt LED, used in place of a 43 - watt halogen incandescent light bulb, will save about 800 kWh over its lifetime.

If the Sun's temperature was 4000 K, it would emitting far less visible light - it would slightly warmer than an incandescent light bulb - therefore around 10 % of light would visible light rather than about 1/2 of the energy being visible light.

There was nothing about people replacing incandescent lights with fluorescents or LED's.

LEDs consume about one - tenth of the power of an incandescent and half of the power of fluorescents.

CFLs and LEDs are about 4 - 5x more efficient than incandescents.

Incandescents will be banned by legislation in about 2009 - 10, though some special needs, such as medical use, may receive dispensation.

One can talk about hybrids and wind power and alternative energy sources but the best source of energy is conservation - get rid of the old crap, get modern efficient appliances, change incandescent to compact flourescent, the simple and logical solutions can reduce consumption and greenhouse gas generation.

LEDs are about as efficient as CFL, and both are much more efficient than incandescents (which only convert around 5 - 10 % of the electricity they use to useful light vs. around 60 % for LEDs and CFLs), but LEDs have other benefits that make them superior to CFLs (not as fragile, not mercury, last longer, turn on instantly).

Here's an interesting new way to think about energy efficiency: a study done by researchers at Virginia Polytechnic Institute and State University revealed that it takes between 3,000 gallons and 6,000 gallons of water to power a 60 - watt incandescent bulb for 12 hours a day over the course of a year.

I think LED lightbulbs will use about 1/10 as much energy as incandescent bulbs and they'll put out higher quality light.

The OPAL is rather big compared to most lightbulbs, so if you're thinking of using it in a cramped space, make sure to check the dimensions in the spec sheet above, but the TOPAZ is about the same size as an incandescent, or maybe just a tad bigger.

They have a 50,000 + hours lifetime, which compares very favorably to about 15,000 hours for compact fluorescent (CFLs) and 2,500 hours for incandescent bulbs.

Improved, but not new, the CFL uses 75 percent to 80 percent less electricity than the classic incandescent bulb and lasts for about five years.

The light distribution emitted by and incandescent body is well described by the Stefan - Boltzmann law, visible light ranges from ~ 400nm to about ~ 770nm (some use slightly different limits).

If you're still using incandescent bulbs, note that LED bulbs have the potential to save you about $ 20 per year per bulb.

The Lightify RGB color - adjustable bulb is about the same price as the Hue, but it's shaped more like a traditional incandescent bulb.

HomeKit aside, the bulb itself doesn't feature many new tricks.The bulb still has a fairly straightforward, compact, incandescent - inspired design that fits fine in just about any fixture.

«The little black box also uses little power when in standby mode — about the same amount as a nightlight, the company says «An incandescent night light or an LED night light?

-- Quality: If you care most about light quality and performance, and money is no object, buy LEDs or halogen incandescents — and don't be in a hurry to change out your existing incandescents.

They cost more than incandescents and last about the same as a traditional bulb, but not nearly as long as CFLs and LEDs.

A standard 60 - watt incandescent bulb, for example, produces about 800 lumens of light.

A single standard incandescent lightbulb can cost the same to operate as six to 10 fluorescent bulbs — and the fluorescents last about 10 times longer.

Fluorescents Available in long tubes and compact bulbs, fluorescents last 10 times longer than incandescents, burn about five times brighter, consume less energy and emit little heat — but can't be dimmed.