IOWA CITY, Iowa, July 9 (UPI) -- U.S. astronomers have determined that radio waves generated by solar particles high above the Earth travel into space in a narrow plane.
Nokia's new prototype cell phone aims to harvest ambient radio waves.
... s Salt Lake City home. Variations in radio waves were measured as Wilson walked around ... cannot be used to identify a person."
Would bombardment by radio waves pose a hazard? Wilson says the devices ...
... a Post-Doctoral Research Associate in the Radio Systems Research Group, said: “In today's world, radio waves are an indispensable means of communicating information 'without wires' from one place to ...
... Foundation's Very Large Array (VLA) radio telescope show the majority of them are, in fact, ... studied the Seyferts with the VLA, specifically looking for radio waves emitted by hydrogen atoms. The VLA ...
... , electromagnetic waves travel away from their sources. For instance, a radar system emits radio waves that travel all the way to a target, such as a car or plane, before being reflected back to the ...
... radio system design. This includes determining which frequencies to use based on how the environment affects radio waves indoors versus outdoors. They also have to look at how noise and other factors ...
... Maryland, is that there don't appear to be enough radio galaxies to account for the signal ARCADE detected ... current age.
Many objects in the universe emit radio waves. In 1931, American physicist Karl ...
... Green Bank Telescope (GBT), and the Effelsberg Radio Telescope of the Max Planck Institute for Radioastronomy ( ... disk act as masers to amplify, or strengthen, radio waves the way lasers amplify light ...
... pulsar emissions."
A pulsar emits narrow beams of radio waves from the magnetic poles of the neutron star, ... radio telescopes. Fermi's ability to detect so many radio-quiet gamma-ray pulsars indicates ...
Astronomers have pieced together an image of what an unusually huge galaxy looks like in the night sky, using radio wave information.
... Sun's gravity caused slight changes in the apparent positions of the quasars because it deflected the radio waves coming from the more-distant objects.
The result was a measured value of gamma of 0 ...
Who now remembers the first person to
document a dinosaur fossil, the pioneers of radio astronomy, the
inventor of the world's first robots? Simon Singh
sets the record straight ... and he has 20 ...
... tags include an integrated circuit for storing and processing information, and an antenna that responds to radio waves transmitted from an RFID reader. The tag absorbs some of the radio frequency ...
... Another advantage of this new form of communication is that lasers are easier to focus than radio waves, which means that data transmissions can be directed more accurately.
The communication lasers ...
