Sentences with phrase «centimeter signals»

Subtracting out radio signals 100,000 times stronger from our own galaxy and from television broadcasts, they detected the blurred 21 - centimeter signals from galaxies about 6 billion to 12 billion light - years away.
Radio waves that originated at a later time in cosmic history, on the other hand, might be stretched only, say, fivefold, arriving here as 105 - centimeter signals.
Detecting the cosmic 21 - centimeter signal is notoriously hard, as it is swamped by radiation from our own Milky Way galaxy.

Not exact matches

This predicted shutdown in 21 - centimeter radio signals will not occur everywhere at once, Loeb says.
Because the coil that generates these signals is currently small i.e; only three centimeters in diameter, it was necessary to anesthetize the mice to keep them still.
TMS uses a magnetic coil placed on the head to increase electrical signaling a few centimeters into the brain.
After painstakingly removing multiple sources of background signals, the team was left with a neutrino flux of 66 billion per square centimeter per second, close to the standard solar model prediction of 60 billion, they report online today in Nature.
The new system, dubbed «WiTrack,» uses radio signals to track a person through walls and obstructions, pinpointing her 3 - D location to within 10 to 20 centimeters — about the width of an adult hand.
The near - infrared light that causes the nanotubes to fluoresce can penetrate about eight centimeters into human tissue, so physicians could potentially shine the light through skin and flesh to look for fluorescence from nanotubes signaling the presence of cancer cells.
The strength of the backscattered signal is determined by the strength of temperature inhomogeneities with size on the order of 10 centimeters (cm).
a b c d e f g h i j k l m n o p q r s t u v w x y z