Posts Tagged With: Star Trek

Greatest Pro Gun Commercial around….


This has got to make you laugh…William Shafner at his best….

http://stufffromjudy.posterous.com/best-commercial-shatner-ever-did-i-unconditio

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Navy’s Laser Weapons Just 2 Years Away, Admiral Says……



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Whoever wins the upcoming presidential election, by halfway through the new term the Commander-in-Chief could be wielding a new weapon straight out of science fiction: laser cannons.
That’s how close the U.S. Navy is to being able to field the first generation of “directed energy” weapons aboard ships, according to Rear Adm. Matthew Klunder, the chief of the Office of Naval Research. Klunder made the claim Monday to WIRED.com’s Danger Room, which has been following the development of the futuristic laser arsenal.
Earlier this year Klunder’s office had said the Navy was four years away from mounting the laser weapons, but he told WIRED Monday that recent tests had been “very successful” and the Navy has figured out physics issues that plagued early concepts.
“We’re well past physics,” he said. “We’re just going through the integration efforts… Hopefully that tells you we’re well mature, and we’re ready to put these on naval ships.”
The weapons are designed to track and fire on threats to a warship that could include anything from armed drones and small “swarm” boats to incoming missiles and aircraft.
In April 2011 the Navy released a video of a test in which its prototype Maritime Laser Demonstrator blasted a hole in the engine of a small boat at sea off the California coast, leaving it dead in the water.
A year later, an officer in the Solid-State Laser Technology Maturation (SSL-TM) program said the Navy believed it was ” time to move forward with solid-state lasers and shift the focus from limited demonstrations to weapon prototype development and related technology advancement.”
Solid-state lasers are one of several types of laser-based weapons systems currently under development by the Navy and other military services in conjunction with several major defense contractors. A recent Congressional report on the Navy’s laser program noted that such devices could be “ready for installation” in “the next few years,” but it criticized the Navy for not yet developing a procurement plan or a roadmap for installing the weapons on specific ships.
The military has spent hundreds of millions on the development of the various systems, but once they’re installed, the government predicts that they would be relatively cheap to operate, considering they’re not using conventional munitions. The Congressional report estimates that it will cost the Navy the equivalent of less than a dollar per shot to use the laser weapons versus, say, short-range air-defense interceptor missiles that generally cost around $800,000 to $1.4 million each.

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Science Fiction to fact?….Warp Drive May Be More Feasible Than Thought, Scientists Say


HOUSTON — A warp drive to achieve faster-than-light travel — a concept popularized in television’s Star Trek — may not be as unrealistic as once thought, scientists say.

A warp drive would manipulate space-time itself to move a starship, taking advantage of a loophole in the laws of physics that prevent anything from moving faster than light. A concept for a real-life warp drive was suggested in 1994 by Mexican physicist Miguel Alcubierre, however subsequent calculations found that such a device would require prohibitive amounts of energy.

Now physicists say that adjustments can be made to the proposed warp drive that would enable it to run on significantly less energy, potentially brining the idea back from the realm of science fiction into science.

“There is hope,” Harold “Sonny” White of NASA’s Johnson Space Center said here Friday (Sept. 14) at the 100 Year Starship Symposium, a meeting to discuss the challenges of interstellar spaceflight.

Warping space-time

An Alcubierre warp drive would involve a football-shape spacecraft attached to a large ring encircling it. This ring, potentially made of exotic matter, would cause space-time to warp around the starship, creating a region of contracted space in front of it and expanded space behind. [Star Trek’s Warp Drive: Are We There Yet? | Video]

Meanwhile, the starship itself would stay inside a bubble of flat space-time that wasn’t being warped at all.

“Everything within space is restricted by the speed of light,” explained Richard Obousy, president of Icarus Interstellar, a non-profit group of scientists and engineers devoted to pursuing interstellar spaceflight. “But the really cool thing is space-time, the fabric of space, is not limited by the speed of light.”

With this concept, the spacecraft would be able to achieve an effective speed of about 10 times the speed of light, all without breaking the cosmic speed limit.

The only problem is, previous studies estimated the warp drive would require a minimum amount of energy about equal to the mass-energy of the planet Jupiter.

But recently White calculated what would happen if the shape of the ring encircling the spacecraft was adjusted into more of a rounded donut, as opposed to a flat ring. He found in that case, the warp drive could be powered by a mass about the size of a spacecraft like the Voyager 1 probe NASA launched in 1977.

Furthermore, if the intensity of the space warps can be oscillated over time, the energy required is reduced even more, White found.

“The findings I presented today change it from impractical to plausible and worth further investigation,” White told SPACE.com. “The additional energy reduction realized by oscillating the bubble intensity is an interesting conjecture that we will enjoy looking at in the lab.”

Laboratory tests

White and his colleagues have begun experimenting with a mini version of the warp drive in their laboratory.

They set up what they call the White-Juday Warp Field Interferometer at the Johnson Space Center, essentially creating a laser interferometer that instigates micro versions of space-time warps.

“We’re trying to see if we can generate a very tiny instance of this in a tabletop experiment, to try to perturb space-time by one part in 10 million,” White said.

He called the project a “humble experiment” compared to what would be needed for a real warp drive, but said it represents a promising first step.

And other scientists stressed that even outlandish-sounding ideas, such as the warp drive, need to be considered if humanity is serious about traveling to other stars.

“If we’re ever going to become a true spacefaring civilization, we’re going to have to think outside the box a little bit, were going to have to be a little bit audacious,” Obousy said.

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