The amplifiers used in outdoor concerts can produce thousands of watts. The goal of a good amplifier is to cause as little distortion as possible. The final signal driving the speakers should mimic the original input signal as closely as possible, even though it has been boosted several times...
The first two channels are fairly straightforward. TheA streamfeeds the left speaker, and theB streamfeeds the right speaker. But the "same" and "difference" channels are a little more complex. To understand how this works, you need to know a little bit about how speakers produce sound. A...
But wait. What makes a light source produce photons? We'll get to that. Next.Producing a Photon There are many different ways to produce photons, but all of them use the same mechanism inside an atom to do it. This mechanism involves the energizing of electrons orbiting each atom's nuc...
Digital designers sometimes use electroplating to produce sculptures. Designers can 3D print a substrate using a desktop 3D printer and then electroplate the design in copper, silver, gold, or any metal of choice to achieve their desired finish. Combining 3D printing with electroplating in this mann...
We also know that photons passing through dark energy allow for the kind of energy changes that produce varying temperatures that are in turn represented in the CMB map. Examining these temperature fluctuations allows scientists to learn how the universe is growing and developing. And considering ...
What can electromagnetic waves travel through? How do waves carry energy from one place to another? How do non-mechanical waves travel? How are the wavelength and frequency of electromagnetic radiation related? How do electric charges produce electromagnetic waves?
The FRBs are a trillion times more energetic than pulsars observed in our own galaxy, so a truly extreme process needs to produce the bursts.” Putting the Universe on the Scale So, how exactly do radio waves help weigh the universe? As radio waves travel through intergalactic space, they...
(0.4 percent). Inside a power plant, fuel is burned in a huge furnace to release the energy it contains as heat. The heat is used to boil water and produce steam, which turns a rotating propeller-like mechanism called aturbine. The turbine is connected to an electricity maker orgenerator...
make a decision is far more than the information that machines need. Take for example an MRI. We place a patient in a strong magnetic field and then vary that energy to produce radio waves from the tissue. We then take all of that information to produce an image. Why is the image ...
How to Generate Electricity with Nuclear Energy Nuclear fission is a process in which radioactive atomic nuclei break down and release energy in the form of radiation. This energy is further used to turn turbines and produce electricity.