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weapons

Northrop Grumman fires up latest laser weapon

If you want to build a laser weapon, start small and go from there.

That's one of the principles underlying the Firestrike laser from Northrop Grumman. A demonstration prototype of that system called Gamma has proved its mettle in a recent test-firing, the defense contractor announced yesterday.

This is not yet a laser weapon in the wild. The test-lasing took place at Northrop Grumman's Redondo Beach, Calif., lab, where Gamma burned through the skin of a surplus BQM-74 drone and other materials configured as internal components that stood in as a "representative cruise missile threat."

Why … Read more

Action film inspires low-cost test for chemical weapon attacks

It seems unlikely that the maker of hundred-million-dollar Hollywood blockbusters such as "Armageddon" and "The Transformers" could inspire scientists to develop an ultra low-cost tool for quickly sensing airborne chemical weapons. Yet one former University of Michigan at Ann Arbor researcher says his idea to use a nerve-gas antidote to create an inexpensive litmus paper-like nerve-gas sensor emerged shortly after watching "The Rock" on DVD a few years ago.

During the climax of that 1996 Michael Bay movie, chemical weapons specialist Stanley Goodspeed (played by Nicolas Cage) injects himself in the heart with atropine … Read more

Litmus-like sensor could detect chemical weapons

Researchers at the University of Michigan say they have developed a simple litmus-like test for nerve gas that could clue military personnel into when they might actually need to use those heavy masks and protective gear. (Nerve gases, the most toxic of chemical warfare agents, and are colorless, odorless, and tasteless.)

"To detect these agents now, we rely on huge, expensive machines that are hard to carry and hard to operate," Jinsang Kim, an associate professor of materials science and engineering at the University of Michigan, said in a statement. "We wanted to develop an equipment-free, motion-free, … Read more

Nukemap: Shall we play a game?

Want to play god much?

With Nukemap, a new tool that lets anyone test out--on a Google Map--the effects of some of history's most famous nuclear explosions on cities around the world, you can.

Say you're inclined to see just how bad the destruction would be in London if "Fat Man," the second A-bomb dropped on Japan by the Americans during World War II, detonated there. Nukemap lays it all out for you.

Nukemap lets you choose from a long list of cities to experiment with--or drag the map's marker wherever you want--and then choose either a custom yield in kilotons, or one of a list of famous bombs. When you click the "detonate" button, you quickly see a map with a series of colored circles that show the radii of the fireball, the air blast, the spread of radiation, and the spread of thermal radiation. … Read more

The best FPS for iPad

Modern Combat: Fallen Nation is a first-person shooter with jaw-dropping graphics. The third installment in Gameloft's Modern Combat series for iOS, this game challenges you to fight through 13 missions from Pakistan to Los Angeles, and you will find and use several different kinds of weapons as you complete mission objectives. The game is a universal download, so you can play on any of your iOS devices, but we think it is at its best on the iPad.

You get three different types of control schemes to pick from, with variations of onscreen joysticks and touch-screen actions. I found … Read more

Hypersonic bomb: One-hour delivery?

The U.S. Army has successfully tested a hypersonic aircraft that can travel five times the speed of sound and reach anywhere on Earth in under an hour.

Described by the Pentagon as a "glide vehicle, designed to fly within the earth's atmosphere at hypersonic speed and long range," the Advanced Hypersonic Weapon (AHW) was launched aboard a rocket from the Pacific Missile Range Facility in Hawaii.

It hit a target at Kwajalein Atoll in the Marshall Islands, some 2,300 miles away, in less than 30 minutes, according to Department of Defense and AP reports. … Read more

Defend the galaxy!

A Space Shooter brings whimsy and comic-book-style graphics to the crowded touch-driven shoot-'em-up category. You play as Commander P. Jefferson, a Buzz Lightyear-like character whose sole purpose is to protect the galaxy. With your double-barrel spacecraft, you get to hunt down aliens, destroy asteroids, and tangle with enemy ships. While the game's story may be somewhat confusing and disjointed, it doesn't take any of the fun out of the straightforward missions.

A Space Shooter's interface is as simple as it gets. Just touch the screen and drag in the direction you want your ship to fly. … Read more

'Deadliest Warrior' weapons guru makes the cut

LOS ANGELES--When Spike TV's "Deadliest Warrior" needs to re-create weapons of the distant past to pit soldiers of bygone eras against each other, it turns to weapons fabricator David Baker and his workshop.

Hidden away in the vast basement below the "Deadliest Warrior" Los Angeles studios, Baker and his team combine historical research with carpentry, metallurgy, and weapons expertise to forge copies of the swords, shields, bows, and arrows used by antiquity's greatest armies. Baker brought years of experience making swords and other realistic period weapons for Hollywood to "Deadliest Warrior," and he brings a passion for weaponry to every creation. … Read more

Libyan rebels turn toys into robo weapons

It's a killer toy, but nothing you'd give little Billy for Christmas. Libyan rebels are taking do-it-yourself weapons to a new level with an armed unmanned vehicle based on a Power Wheels Jeep.

Call it a weapon of clever construction.

An engineer in the rebels' ranks equipped the toy ride with a video camera and remote control unit and slapped a machine gun on top. An Al Jazeera story about Libyan rebels scrapping together improvised weapons out of everything from rocket shells to car and bike parts turned up this example of ultralow-budget military R&D. The robo gun shows up 55 seconds into the video below.

IEEE Spectrum's Evan Ackerman points out the serious side of the story:

[The robo rebel] is a vivid illustration of the potential implications of a rapidly descending barrier to entry for this kind of technology. Anyone can (on principle, at least) build a robot, and given the need or the motivation, anyone can put a gun on one, too.

Judging from the video, it looks like the rebels still have kinks to work out. Having a guy standing by to feed the ammo belt defeats the purpose of remote weapons. And you can't call Fisher-Price totmobiles rugged or agile. … Read more

Army pouring $66 million into 'Punisher' gun

The U.S. Army has approved the XM-25 grenade launcher for engineering and manufacturing development, awarding ATK a $65.8 million contract to bring the weapon closer to deployment.

Nicknamed "The Punisher," the semi-automatic, shoulder-fired XM-25 has a laser rangefinder and can launch rounds that explode at a set distance, meaning it can defeat barriers protecting enemy fighters.

The 12-pound, 29-inch gun can fire 25mm airbursting rounds up to 500 meters (546 yards) for a precision target and 700 meters (765 yards) when firing on an area. ATK may also develop door-breaching and armor-piercing rounds for the XM-25. … Read more