lumen Resources

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ZDNet Dictionary Definition

Lumen: A unit of measurement of the amount of brightness that comes from a light source. Lumens define "luminous flux," which is energy within the range of frequencies we perceive...; Full Lumen Definition >>

ZDNet Resources

Lumen (zip): Lumen is a simple and beautiful puzzle game for OS X and Windows. The objective is to light up checkpoints by bouncing, coloring, and maneuvering a laser beam through obstacles. Although puzzles may seem easy at first sight, they can be quite a challenge. The careful attention to detail and...; Tags: Lumen, Apple Mac OS X, Microsoft Windows, Games, Operating Systems, Software, Apple Mac OS, Personal Technology; Software downloads 2007-09-27
Human-hair sized aluminum foil lamps: Researchers at the University of Illinois at Urbana-Champaign UIUC have built 'aluminum foil lamps that outshine incandescent lights.' Their panels of microcavity plasma lamps can contain today 250,000 lamps. These thin panels -- 1 millimeter thick -- are more efficient than incandescent lights and soon will surpass the efficiency of...; Tags: Engineering &, Innovation, Energy &, Environment; Blog posts 2007-06-05
Expert: LEDs could start replacing lightbulbs soon: Expert: LEDs could start replacing lightbulbs soonabout timeabout timeWouldn't compact fluorescent bulbs slow adoption?LED bulbs sound like interesting progress has been made. My point is that many energy conscience, early adopters like me transitioned to compact fluorescent years ago and their cost is pretty low now. It would be...; Tags: Engineering, light-emitting diode, lightbulb, lumen; Discussion threads 2006-11-03

Additional Resources

Panasonic PT-AE2000U: Panasonic has been in the front-projection business for a long time, and has been aggressively pricing its home-theater projectors for just as long, which has effectively driven prices down in the category as a whole. As a result it's now more affordable than ever to get a really big screen...; Tags: grayscale, HDMI, menu system, Panasonic, Panasonic PT-AE2000U, projector; Product reviews 2007-12-19
Photos: Cirque du Soleil's inner workings: It takes a village--plus moving stages and 18,000-lumen projectors--to mount the ambitious Ka.; Tags: working, projector, photograph; Image galleries 2007-07-19

BenQ W10000: BenQ has been a major player in DLP front projection display technology for years, and the company's latest flagship projector, the W10000, is a one-chip design with Texas Instruments' new 1080p resolution chip. A good-size lamp means the 10000W will drive large screen sizes, which is an important consideration...; Tags: projector, BenQ W10000, BenQ Corp.; Product reviews 2007-04-10
Dead-Finger Tech: Sean says the Blackberry Pearl is the best ever but Bret has ideas for RIM: Dead-Finger Tech: Sean says the Blackberry Pearl is the best ever but Bret has ideas for RIMHow sad is this: My DFT is VPNBoy is this unsexy, but the one technology other than my smartphone that's proved essential in my life is my company's secure VPN. It makes it very...; Tags: Telecom & Utilities, Handhelds, Cellular phones, Research In Motion Ltd., stupid BES, windows smartphone, decent device, phone, blackberry, headach, Dead-Finger Tech, Lol, BlackBerry Pearl, RIM BlackBerry; Discussion threads 2006-12-20
Dell 1200MP DLP projector: Get the record books ready. Depending on the discounts that the Dell Web site might be offering on any given day, the exceptionally bright, bargain-price 1200MP projector will probably be listed as the first model ever to break the 3-lumens-per-dollar mark. Even at its full list price of $699, this...; Tags: Cable, DVD, Consumer electronics, DLP, projector, Dell 1200MP, Dell Computer Corp.; Product reviews 2006-08-15
Toshiba TDP-T95U: If you need more than what a bargain-basement projector offers but don't want to break the bank, the Toshiba TDP-T95U presents an alluring middle ground by combining great brightness and a well-rounded selection of inputs. For a very reasonable $1,299, the DLP projector's brightness exceeds that of the HP mp3135,...; Tags: Cable, projector, Toshiba TDP-T95U, Toshiba Corp.; Product reviews 2006-05-10
Epson PowerLite 765c: It's far from the lightest or smallest business projector on the market, but the Epson PowerLite 765c squeezes the abilities of a conference-room projector into a remarkably portable case. With more than 2,000 lumens of light, it's bright enough for a lights-on presentation or a digital classroom lesson, and it's...; Tags: Cable, Network technology, NETWORKING, Monitors & displays, projector, Epson PowerLite, Epson; Product reviews 2006-04-11
Epson MovieMate 25: Late 2005 saw the introduction of a new product category in home-theater projectors: the all-in-one. Epson's MovieMate 25 is a good example; this projector system comes with everything needed to create a basic home theater, including a DVD player, speakers, and even a portable 80-inch screen. At $1,200, it offers...; Tags: Consumer electronics, TV & Home Theater, Epson, Epson MovieMate 25, projector, MovieMate 25, DVD; Product reviews 2006-02-17
A new way to thin client Linux: A new way to thin client LinuxSure, why not?After all, X works fine for thin clients. The original and still the greatest :-)However, for those rare applications that utterly [b]must[/b] run on MS platforms, there's server-hosted VMWare. Works like a champ over X.Since that's the very platform mix...; Tags: Thin clients, Operating systems, UNIX, OPEN SOURCE, Microsoft Corp., thin client, Linux, server; Discussion threads 2005-04-21