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ZDNet Dictionary Definition
- Gamma
- The way brightness is distributed across the intensity spectrum by a monitor, printer or scanner. Depending on the device, the gamma may have a significant effect on the way...
- Full Gamma Definition >>
ZDNet Resources
- Will pasteurization become a bit passe?
- Will pasteurization become a bit passe?Israel?I'm amazed they can actually get any work done over there, with all the suicide bombers and rocket attacks.So sadGamma irradiation can completely sterilize any food and has been available for twenty years. Strike up one more "achievement" for the nuclear hysteria movement.Different types of...
- Tags: Gamma, Gamma RAdiation, UV radiation
- Discussion threads 2006-06-30
Additional Resources
- Samsung PN50A650
- Samsung makes so many different varieties of flat-panel HDTVs, sometimes it's difficult to keep up. This particular plasma, the 50-inch PN50A650, was released in the spring of 2008 right around the same time as the slightly less expensive PN50A550, which we reviewed way back then. We really like both of...
- Tags: TVs, TV & Home Theater, Monitors & displays, more-expensive version, Overall IT, redesign, Samsung PN50A650, Samsung Electronics Co. Ltd., plasma, HDTV, TV
- Product reviews 2008-08-27
- LG 50PG20
- The LG 50PG20 is the company's least expensive 50-inch plasma, competing against similar entry-level models from Samsung and Panasonic. It doesn't have the 1080p resolution of higher-priced plasmas, but we didn't really miss that extra detail. What we did miss with this LG, namely deep black levels and more accurate...
- Tags: LG Electronics Inc., LG 50PG20, plasma
- Product reviews 2008-08-26
- Vizio SV470XVT
- Budget flat-panel powerhouse Vizio is breaking into the lucrative realm of high-end HDTVs with its XVT line, comprised of a 50-inch plasma we detailed at CES and a pair of LCDs, including the model reviewed here, the 47-inch SV470XVT. Equipped with a lot of glossy black, a slicker menu system,...
- Tags: TVs, TV & Home Theater, Monitors & displays, button layout, Vizio, Vizio SV470XVT
- Product reviews 2008-08-21
- Samsung LN46A550
- The midrange of a product line is sometimes where bargains meet high-performance, and that describes the LNA550 series of LCDs from Samsung quite well. The company's entry-level 1080p resolution models, represented in this review by the LN46A550, lack the fancy "touch of color" styling, Internet-connectivity, and 120Hz processing of their...
- Tags: Monitors & displays, TVs, TV & Home Theater, Overall IT, Samsung LN46A550, Samsung Electronics Co. Ltd.
- Product reviews 2008-08-08
- Sony KDL-46Z4100/B (black)
- Sony and Samsung have established themselves as the leaders in LCD picture quality over the last couple of years, so we expected a great-looking picture out of the KDL-46Z4100, the highest-end Sony LCD aside from the premium XBR models. While its performance is still solidly in the realm of "very...
- Tags: Monitors & displays, Sony Corp., KDL-46Z4100, LCD, Sony Z4100
- Product reviews 2008-08-08
- Sony KDL-46Z4100/S (silver)
- Sony and Samsung have established themselves as the leaders in LCD picture quality over the last couple of years, so we expected a great-looking picture out of the KDL-46Z4100, the highest-end Sony LCD aside from the premium XBR models. While its performance is still solidly in the realm of "very...
- Tags: Monitors & displays, Sony Corp., KDL-46Z4100, LCD, Sony Z4100
- Product reviews 2008-08-08
- Vizio VP322
- Mostly on the strength of aggressive pricing, Vizio in the last several years has taken the flat-panel HDTV market--both LCD and plasma--by storm, rocketing past better-known brands and becoming one of the best-selling names in the country. The company has also introduced some unique products, among them the VP322, which...
- Tags: Monitors & displays, TVs, color temperature, Vizio VP322, Vizio, plasma, LCD, VP422, HDTV
- Product reviews 2008-08-05
- Mitsubishi WD-65735
- Today the landscape in the big-screen rear-projection HDTV category is pretty stark. Sony, Panasonic, Hitachi, and others have all exited this product segment, which leaves only Mitsubishi and Samsung to slug it out for the dollars of buyers who want a huge screen on a budget. Mitsubishi's WD-65735 is one...
- Tags: TV & Home Theater, Mitsubishi Corp., Mitsubishi WD-65735
- Product reviews 2008-07-31
- Pioneer Kuro PDP-5020FD
- When it comes to black levels, you apparently get what you pay for. Pioneer's PDP-5020FD is the company's cheapest flat-panel plasma HDTV for 2008, yet it still costs significantly more than the poshest plasmas produced by Panasonic. We really liked the Panasonic TH-50PZ800U we reviewed earlier this year, and despite...
- Tags: TV & Home Theater, TVs, PDP-5020FD
- Product reviews 2008-07-18
- Panasonic Viera TH-50PZ850U
- Ever since we gave the Panasonic TH-50PZ800U an Editors' Choice award as our favorite plasma HDTV so far, we've been bombarded by variations of the same question: "Is the more expensive TH-50PZ850U better?" After finally getting the chance to review the 850U, our answer is "no." The TH-50PZ850U is the...
- Tags: TVs, TV & Home Theater, TH-50PZ850U, Panasonic, HDTV, TV
- Product reviews 2008-07-01
- Flurizan failure does not end Alzheimer's hope
- Flurizan aimed to stop development of all amyloid plaques. Gamma-secretase modulators GSMs only go after the long ones. by Dana Blankenhorn
- Tags: Alzheimer's Disease, Theory, Alzheimer's Community, Dana Blankenhorn
- Blog posts 2008-07-01
- LG 50PG60
- The LG 50PG60 is the second of two HDTVs we've reviewed with THX display certification, and it proves that even the three letters formerly associated with George Lucas can't guarantee picture quality parity. The first such THX-certified TV, Panasonic's TH-50PZ800U, impressed us in just about every way, and the 50PG60...
- Tags: Quality, TVs, TV & Home Theater, LG 50PG60, LG Electronics Inc., THX
- Product reviews 2008-06-12
- Samsung SP-A800B
- Samsung's flagship one-chip DLP-based home theater projector, the SP-A800B, takes accuracy of signal reproduction to a new level. My previous reference projector, the Samsung SP-H710AE, was designed by Joe Kane, and that well-known video guru and author of Digital Video Essentials also designed the SP-A800B. While the 710E is spectacularly...
- Tags: Projectors, Home entertainment, TV & Home Theater, picture menu, Movie mode, Samsung SP-A800B, projector, Samsung Electronics Co. Ltd.
- Product reviews 2008-06-10
- Atrise Lutcurve (exe)
- Atrise Lutcurve is a calibration software for LCD or CRT monitors for 6500K gamma 2.2. The program will help you to calibrate your LCD or CRT displays without any hardware devices. A multi-display PC installation is also supported. You can also setup your displays to show the same colors. This...
- Tags: LCD, CRT, Atrise Software, Atrise Lutcurve, Monitors & Displays, Hardware, Components
- Software downloads 2008-06-06
- Sony KDL-46W4100
- As Sony and Samsung continue to battle for LCD supremacy, Sony is trickling down previously premium features to its less expensive models. That's where the KDL-46W4100 comes in; it's the least expensive 2008 Bravia LCD to feature a 120Hz refresh rate and dejudder video processing, and it currently costs hundreds...
- Tags: TVs, TV & Home Theater, Sony Corp., Sony KDL-46W4100, TV
- Product reviews 2008-06-04
- Ghostly ring found circling dead star
- An international team of scientists has found a strange ring around a dead star by using images taken by NASA's Spitzer space telescope. This star, called SGR 1900+14, belongs to a class of objects known as magnetars. According to NASA, a magnetar is 'a highly magnetized neutron star and the...
- Tags: NASA, Star, Ring, Magnetic Field, SGR, Magnetars, Roland Piquepaille
- Blog posts 2008-06-01
- LG 32LG30
- The less-expensive, smaller LCD category is usually where manufacturers cut some corners with picture settings, but the 32LG30 from LG is the entry-level picture tweaker's delight. This 32-inch HDTV includes the same incredibly extensive set of manual picture controls found on the flagship LG60 series, and those controls allowed us...
- Tags: Monitors & displays, TVs, TV & Home Theater, power indicator, LG 32LG30, LG Electronics Inc.
- Product reviews 2008-05-20
- Sony Bravia KDL-32M4000
- Sony has always been a go-to brand for people who don't mind paying more for HDTVs, or just about anything else for that matter, and the company's least-expensive 2008 32-inch HDTV, the KDL-32M4000, exemplifies the trend. This little set costs a couple of hundred dollars more than no-name LCDs, and...
- Tags: TVs, TV & Home Theater, picture menu, Sony Corp., KDL-32M4000, HDTV
- Product reviews 2008-05-14
- Toshiba Regza 32CV510U
- One of Toshiba's least expensive flat-panel TVs for 2008, the 32-inch 32CV510U defines the phrase "good enough." Its picture outclassed that of the cheapest such set we've tested this year, the Insignia's NS-LCD32-09, but many people buying at this screen size are probably shopping more on price than picture quality...
- Tags: Monitors & displays, Toshiba Corp., Toshiba 32CV510U, picture setting
- Product reviews 2008-05-12
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