Sentences with phrase «pulse signal fired»

Catania also discovered that a different, high - voltage, two - pulse signal fired out by the eel makes a fish within range twitch uncontrollably, giving away its position and allowing the eel to go after it with its conventional attack of series of high - voltage pulses.

Not exact matches

If a time - of - flight imaging system is firing light into a scene at the rate of a billion pulses a second, and the returning light is combined with light pulsing 999,999,999 times a second, the result will be a light signal pulsing once a second — a rate easily detectable with a commodity video camera.

When these photoreceptors detect light, they send a signal to specialized neurons in the retina called retinal ganglion cells, or RGCs, which then transmit visual information to the brain by firing electrical pulses along the optic nerve.

Stimulating excitatory cells with chemicals or electric pulses causes them to fire, or send electrical signals of their own to neighboring neurons.