2010年12月26日 星期日

evidence come from

And where does that evidence come from? "We simply need other research groups and labs to confirm these discoveries before they can be elevated to accepted fact," Brusatte says. "This kind of work takes a lot of time, money,, the Finelight model gracefully curves from the sturdy, well balanced cast led bulb iron base. Like the z-bar model, the lighting strip consists of several smaller lights and can be adjusted down when less light is required. However, the neck does not move or bend, it simply curves in a half moon shape. and sophisticated equipment, and it's not something that an average paleontologist or geologist can do overnight."

At the same time, "We, as scientists and other science communicators moving forward, need to understand how the Internet gives voice to things we can't necessarily anticipate, and I think that that's something I will think a lot more about," Wolf-Simon said in an i nterview with Science last week. She added that her lab was still trying to grow enough GFAJ-1 cells (which study co-author Paul Davies says stands for " Give Felisa A Job") to supply outside scientists who want to test her team's findings., but at night they really are useful as underwater fishing lights because they plastic slipcovers attract fish. You can stop the boat with the lights on and just watch and see what type of fish and other marine life come to visit right before your eyes!

But don't hold your breath waiting for one outside experiment to settle the arsenic microbe story. "I think that most serious scientific controversies are pretty similar. If people are 'dug in' they can take a generation to die away," says science historian Harry Collins of the United Kingdom's University of Cardiff, by e-mail., they give off almost no heat. And the very bright LED light stays focused plastic beer mugs on one small area, not spread out. So it's not a good choice for wide area illumination. But for any directional lighting application, LED is way better than the lighting you grew up with. "What happens is that people repeat the experiments and if they get different results then the original experimenters say they did not do the experiment right (and they may be correct in this or they may not). It is hard to settle because it is only the outcome that determines whether an experiment has been done right. And here people are disagreeing about the right outcome."

Eventually Brossard says, experiments by outside scientists will likely settle the dispute to the satisfaction of most researchers. "Peer review does work most of the time," she says. "I can't come up with a better system sadly. It is a lot of work for the reviewers."

In the meantime,, many corporation of the LED illumination are facing the radiating problem. The final application of the products solar panel is the touch stone, for example, the illumination of the semiconductor light reaches 100lm/W, but the customers may not accept the light. NASA can expect a lot of interest,, to be promoted petmate crates on a large scale. However, technically, LED is not proper for home lighting because of its bad lighting color and the high demands that home lighting has. and a lot of criticism, anytime one of its press conferences dallies with extraterrestrial life, Robinson says. "A lot of the life on Mars discussion touches very deep nerves in humanity, where people have wondered about life elsewhere for centuries. (And) a lot of the language of discovery still echoes that past sense of wonder."

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