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  Dad invents laser-guided batting practice

Ancient City of Angkor Much Bigger Than Thought

Angkor, the ancient capital of the Khmer Empire, has been mapped for the first time using laser light. Full story

Soothing your summer sunburn

  Dr. Jeanine Downie tells the tips and tricks to minimizing that painful summer burn, including taking the oral antioxidant Heliocare.

How 3D Printing Can Build New Bone

Damaged bones could be fixed with a new technique that involves 3D printing a tissue using living stem cells. Full story

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Articles

Researchers Shrink Particle Accelerator to Table-top Size

Weird Quantum Entanglement Achieves New Record

WindTracer Uses Lasers to Predict Wind Direction

New Laser Uses Light-Matter Beams

Property of Rarest Element on Earth Measured for 1st Time

Warp Speed, Scotty? Star Trek's FTL Drive May Actually Work

Scientists Bounce Laser Beams Off Old Soviet Moon Rover

Laser scans objects in 3D from half a mile away, scientists just need reason to use it

U.S. Navy to field first laser weapon, could shoot down a drone

Zap a Cocaine Addiction With … Lasers?

Video

  Hottest Hollywood headlines and hashtags

Nina Terrero, NBC Latino’s entertainment editor, shares all things new and noteworthy in Hollywood, from Bethenny Frankel opening up about her divorce to Rihanna’s new Instagram photo with Chris Brown.

  Navy deploys new laser to shoot down drones

The Navy has announced its latest weapon, a laser that targets drones and small ships. The cost for using the laser is about one dollar per shot, compared to thousands for the Gatling gun ammo it will replace.

  Navy tests new laser cannon

In a new video released by the Navy, the laser is shown obliterating a low-flying drone. NBC’s Brian Williams reports.

  Navy unveils new laser weapon

The Navy released video showing its new laser weapons system during an exercise at sea. The laser is capable of destroying planes, drones and boats. (Video only)

  Alternative uses for your planetarium

Rachel Maddow reminds older viewers (or informs younger viewers) of the once popular spectacle of rock-n-roll laser light shows.

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Related Photos

Protesters point lasers towards a military helicopter flying overhead as protesters gather for a mass protest to support the army in front of the presidential palace in Cairo
Protesters point lasers towards a military helicopter flying overhead as protesters gather for a mass protest to support the army in front of the presidential palace in Cairo

Protesters point lasers towards a military helicopter flying overhead as protesters gather for a mass protest to support the army in front of the presidential palace in Cairo July 26, 2013. At least seven people were killed and hundreds wounded in scattered violence across Egypt during mass rallies

Protesters cheer with flags and point lasers towards a military helicopter flying overhead as protesters gather for a mass protest in Egypt
Protesters cheer with flags and point lasers towards a military helicopter flying overhead as protesters gather for a mass protest in Egypt

Protesters cheer with flags and point lasers towards a military helicopter flying overhead as protesters gather for a mass protest to support the army in front of the presidential palace in Cairo July 26, 2013. Ousted Egyptian president Mohamed Mursi is under investigation for an array of charges in

View of the laser of the optical lattice clocks in a laboratory at the Paris Observatory
View of the laser of the optical lattice clocks in a laboratory at the Paris Observatory

View of the laser of the optical lattice clocks in a laboratory at the Paris Observatory July 22, 2013. France-based physicists have designed a clock whose use of laser beams to measure atomic vibrations makes it up to three times more accurate than atomic clocks and could lead to a more precise de

A supporter of deposed Egyptian President Mohamed Mursi flashes a laser light at riot police during clashes on the Sixth of October Bridge over the Ramsis square area in central Cairo
A supporter of deposed Egyptian President Mohamed Mursi flashes a laser light at riot police during clashes on the Sixth of October Bridge over the Ramsis square area in central Cairo

A supporter of deposed Egyptian President Mohamed Mursi flashes a laser light at riot police during clashes on the Sixth of October Bridge over the Ramsis square area in central Cairo July 15, 2013. Police fired tear gas in central Cairo on Monday when protesters calling for the reinstatement of the