Laser speed guns use lasers by Doppler shift measurement.
No; only some types of crystals, gases, etc. can be used in lasers.
Quite a lot. In developed countries, hardly a home DOESN'T have laser equipment. (Reminder: both CDs and DVDs use laser.) Lasers are also used for certain surgeries, for precision measurements, and for other purposes. You may want to read the Wikipedia article on "Laser" for more details.
An Erbium laser is commonly used for cosmetic surgery. It can be used to treat skin conditions like wrinkling around ones eyes, mouth or forehead. You should use Erbium lasers if one has acne.
Yes. Inertial confinement fusion can use lasers, electrons, or ions. Most research facilities today use lasers.
Comparitively weak ... but only 'comparitively'. Laser pointers are Class IIIa lasers. Their output power is limited to 5 milliwatts, with a beam power density that can't exceed 2.5 mW/cm2 without a "danger" warning label. Pointers are powered by 'button' batteries that last a long time in laser-pointer service. Still, they're capable of causing eye damage if shined directly into an eye for more than a minute.
Possibly. Laser weapons have been made already, but they're not cheap, reliable, or portable to use. Interestingly, lasers could turn out to be safer than traditional guns. But in the end, the only safe kind of gun is. No. Gun. At. All.
The speed gun sends a quick series of laser pulses out, pointed at the vehicle you want to check. The pulses reflect back to a receiver. Knowing the speed of light, a computer measures how far away the car is. The distance the car moves between pulses is compared to the time it took to move (all done by a computer chip). Knowing time/distance equals speed.
They both use lasers.
One additional use of lasers in entertainment is that of laser tag. Laser Quest is just one of numerous laser tag companies that are considered to be in the entertainment industry.
1. The computer either has a CDROM or DVD drive. Both use lasers to read discs. 2. The police use lasers in the speed cameras to detect how fast a person or car is going. 3. Dentists use lasers to remove tooth decay from teeth. 4. An eye-surgeon uses lasers so the detached retina can be welded back into place.
The use of hair removal lasers can be painful. The older lasers are more painful than the newer ones. The pain comes from the heat the laser generates as it removes the hair.
you know the place that has the lasers on the windows well get to the top and click on the bars and LASER
The laser is used to read the data on the disc
Laser Inks are printers and they simply do what their name says. They use lasers as their form of ink to help speed up printing as well as saving you money on ink. They are very precise and will not have ink smudges.
Of course they did.
Yes, diamond cutters use lasers to cut diamonds.
Lasers used for cutting are rarely found outside of industrial use, as they are extremely dangerous and very large. Laser cutting is done by CO2 lasers or neodymium lasers. CO2 lasers function by energizing a gas mixture of carbon, nitrogen, hydrogen and helium. Neodymium lasers function in the same way as CO2 lasers, except instead of using gas as the medium, they use a crystal with small amounts of neodymium in it.