The crash-warning systems that are increasingly common in higher-end cars sound an alarm if a collision is imminent, providing a few precious seconds for the operator to slam on the brakes or quickly change course to avoid an accident.
A laser-based system to test the effectiveness of crash-warning systems in cars and trucks has been developed by NIST. Courtesy of NIST.
Lasik is frightening, but does work to improve the vision of eyes.
Here is another popular one.
Hardcore green laser footage of the Hulk green laser lighting matches and melting tape with out door forest beam shots. Hulk is from www.dragonlasers.com.
This video is an edited video from a European high power laser enthusiast.
Connecticut police use laser-equipped firearms to improve their accuracy.
Officers say they are now better prepared to deal with gunfights like the 2002 shootout between an Ansonia man and police outside the former Boston Billiards on lower Black Rock Turnpike.
The Police Department has acquired lasers for their .40-caliber Glock duty weapons using asset forfeiture funds from a prostitution investigation several years ago. The department bought 110 lasers, enough for every officer’s gun, at a cost of $229 each, said Capt. Gary MacNamara.
P9222956, originally uploaded by Ray Tracing.
The laser is a 6 watt Copper Vapor Laser. Don’t try this.
Vehicle-mounted lasers are used to produce highway 3D map.
Developed by Nottingham-based 3D Laser Mapping, the StreetMapper mobile laser system was used, in conjunction with Halcrow Geomatics, to survey a Coventry roundabout and its surrounding area. By mapping the highway with precision from a moving vehicle, StreetMapper eliminated any disruption to normal traffic flows, improved the safety of the workforce and achieved significant project savings.
Instead of traditional field surveying, StreetMapper uses a series of vehicle-mounted lasers that accurately measure and record the highway surface, features and associated assets.
A quick introduction of 3 high power portable lasers, the Spartan, the Hulk and the Hulk Ultra. These laser pointer
Populaser is educational flash on laser. The creator is a Russian company called GRTOV studio. The flash is a winner of Amazing Laser Light Challenge. Contents include general infos on laser, like What is the laser? How it works, Type of laser, Laser safety, and introducation of laser inventors etc. It is well done and very cool. It even includes a laser game. via: Excited Light
Over Instructables there is a how-to on making a laser cutter for less than 50 bucks.
A video showing the basic setup:
Here’s the list of materials you need:
1x Laser diodes Ebay Store $36 dollars for 2
2x Old Scanners Salvation Army $10 Dollars each
2x ULN2003 Electronic Connection $5
1x Prototyping board RadioSchack $2
2x 3/8″ Aluminum Rod Home Depot $3 each
1x 3/8″ Aluminum Tube Home Depot $3
10x Brass Brackets Home Depot $1
1x 2″ cube of wood Home Depot $1
A bushel of Patience
Following is a video showing all the supplies you’ll need including the tools:
