What type of seismic waves travel through Earth? What produces seismic waves? What area do seismic waves change dramatically in speed? Overall, which seismic waves are the most destructive? How do surface waves move during an earthquake?
What produces electromagnetic radiation? What is the difference between solar radiation that is absorbed by the Earth versus transmitted radiation by the Sun? What is electromagnetic radiation made up of? What kind of electromagnetic radiation is responsible for sunburns?
In the US, household electrical power is based on a single-phase, 120-volt ac power supply. Power measured at a wall outlet in a US home will yield sine waves that oscillate between ±170 volts, with thetrue-rmsvoltage measuring at 120 volts. The rate of oscillation will be 60 cycles ...
It produces a wonderfully clear and consistent sound across tracks: low frequencies are poised and punchy but don’t lack weight, (whereas) highs are crisp enough so they don’t feel rolled off". New features further enhance the Xtreme 4's credentials. Auracast is the big one, letting ...
In addition, an explosive, even a nuclear explosive, produces a shock wave, or pulse of high pressure, that propagates away from the site of the explosion somewhat faster than the speed of sound. Such an event doesn't raise the barometric pressure after the shock has passed because barometri...
A radioactive substance produces several types of radiation, some of which are dangerous to live organisms. Learn the three types of radiation, explore radioactive substances, and discover examples of how we use them to our benefit. What is Radiation? When Bruce Banner gets angry, he turns ...
This drop-off of power at higher frequencies produces deeper sounds, like a low, distant rumbling or a steady wind. This article was updated in conjunction with AI technology, then fact-checked and edited by a HowStuffWorks editor. Frequently Answered Questions What does white noise do? White ...
Pulsars have strong magnetic fields that funnel particles along their magnetic poles accelerating them to relativistic speeds, which produces two powerful beams of light, one from each pole.According to the University of California, because the poles of the magnetic field aren't aligned with the axi...
EMC includes two factors — a device's tolerance to noise, also known as "noise immunity," and how much noise it produces. Devices must be able to operate correctly and securely in an environment with a certain level of electromagnetic noise and must not produce EMI at levels or frequencies...
Peter also has a show on XM Radio, produces a business show with an entrepreneur (The Business Shrink) that airs in New York, and manages a non-profit project in Vera Cruz, Mexico, training Mexican journalists. Peter also completed the book that Milan Melvin started writing before he died....