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Displaying items by tag: Electromagnetic Radiation

Wednesday, 03 November 2010 10:15

Conroy's involvement in tower battle an unwise move

Communications minister, senator Stephen Conroy has got himself involved in a dispute between people living and working around a proposed location for a new Telstra mobile network antenna.

Published in Cornered!
Sunday, 16 May 2010 00:09

Laser: 50 years old, still tech focused

The word laser was originally the acronym LASER, which stood for "light amplification by stimulated emission of radiation." Now, fifty years since its invention, we look back to its origin and its future.


Published in Energy

BlueSIM has come up with a neat device for officeworkers or consumers who make and receive all their calls on a cellphone and worry what all those radio waves are doing to their DNA.

Published in Mobility
Monday, 14 December 2009 20:58

WISE lifts off to map infrared universe

The NASA Wide-field Infrared Survey Explorer (WISE) lifted off Monday morning, December 14, 2009, from its California launch pad for its six-month mission to make a detailed survey of the universe in the infrared portion of the electromagnetic spectrum of radiation.

Published in Space
NASA’s Swift satellite first observed a star explosion in April 2009. It turns out that this gamma-ray burst came from a star that exploded about 13 billion years ago, the furthest that astronomers have looked back at the early beginnings of our universe.

Published in Space
For the first time scientists have directly seen magnetic waves that heat up the outer atmosphere of the Sun millions of degrees hotter than its surface interior. These Alfvén waves were imaged by the Swedish 1-meter Solar Telescope.
Published in Space
University of California researchers surprisingly found that when peeling back commonly used adhesive tape the motion between the two surfaces generates electromagnetic radiation in the form of high-energic x-rays. Cool!

Published in Energy
The Mobile Carriers Forum, the industry body representing Australia's cellular operators, is calling on the NSW Government to scrap its policy requiring mobile phone base stations to be kept 500 metres from schools, describing it a "fundamentally flawed".

Published in Government Tech Policy
Thursday, 26 June 2008 19:14

ABC NewsRadio axes StarStuff program - why?

ABC NewsRadio, Australia’s only 24 hour continuous news service, has axed one of its longest running programs because it wants to divert funding elsewhere. The program? StarStuff, the only space, science, astronomy and cosmology show on Australian radio. What a shame!

Published in Fuzzy Logic
Thursday, 26 June 2008 12:17

Could RFID mean RIP for hospital patients?

RFID tags have been promoted as a great way of keeping track of medical equipment. But a new study shows the tags can interfere with some types of equipment, leading to possibly life-threatening situations.

Published in Home Tech
NASA successfully launches its Gamma-ray Large Area Telescope (GLAST) at 12:05 p.m. EDT (1605 GMT) on Wednesday, June 11, 2008.
Published in Space
The Gamma-ray Large Area Space Telescope (GLAST) is scheduled to launch Tuesday, June 3, 2008, for its mission to analyze exotic phenomena, such as supermassive black holes, all over the Universe that generate enormous amounts of very energetic gamma radiation.

Published in Space
U.S. astronomers Alicia Soderberg and Edo Berger, Princeton University, were observing the NCG 2770 galaxy when they noticed a rapidly brightening spot, which eventually faded. They had just seen, for the first time by anyone on Earth, the birth of a supernova using x-ray emissions.

Published in Space
It’s amazing but if you happened to have been looking up in the night sky in the direction of the constellation Boötes at 2:12 a.m. Eastern Daylight Time (0612 UTC) on Wednesday, March 19, 2008, you could have seen with your naked eyes the brightest explosion of a star that ever occurred.           
Published in Space




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