Sentences with phrase «electromagnetic waves off»
Total rainfall over an area is generally calculated indirectly, by using a Doppler radar that bounces electromagnetic waves off the raindrops.
https://www.newscientist.com/ Not exact matches
As the electromagnetic waves bounce off an object, it creates the data for the sensor.
But many forget that those magnetic or photonic ons - and - offs are physical, just as the electromagnetic wave forms of analog broadcasting are physical, although it must be granted their physicality is tenuous relative to the colossal freight of meaning they incrementally embody.
Light from the stellar remnant, a neutron star located about 400 light - years away, is polarized, meaning that its electromagnetic waves are oriented preferentially in a particular direction like light that reflects off the surface of water (SN: 7/8/06, p. 24).
Swartz and his colleagues are developing electron paramagnetic resonance (EPR) dosimetry that can measure electromagnetic signals, or wave forms, given off by teeth, fingernails and toenails of people exposed to radiation.
The new mini-antennas play off the difference between electromagnetic (EM) waves, such as light and radio waves, and acoustic waves, such as sound and inaudible vibrations.
From there, astronomers will study any electromagnetic radiation that the potential supernova is giving off — that is, any gamma rays, x-rays, ultraviolet waves, visible light, infrared waves, microwaves and radio waves.