What is Digg?75 Comments
- dgconley66, on 10/11/2007, -1/+65"Why would anyone want such a device?"
for friggin sharks... dumb ass - j4son, on 10/11/2007, -1/+25School shooting?
Great idea, dumbass. - blittle2003, on 10/11/2007, -3/+25Yes, Lethal doses of kinetic energy can have many forms, like getting hit by a truck for instance.
- SirBriggs, on 10/11/2007, -0/+20I hope to god that wasn't a pun.
- Scyth3, on 10/11/2007, -6/+25So...this thing will basically vaporize the cancer's of society too....like Paris Hilton?
- Ninnux, on 10/11/2007, -0/+18Plausible. Heat is only one form of energy. Actually, its just a measurement of energy, not energy itself. Lethal doses of kinetic energy have many forms.
- Shinglor, on 10/11/2007, -0/+12Temperature is a measurement of energy. Heat is "energy in transit".
- noahhoward, on 10/11/2007, -2/+14Either spelling is acceptable but considering it is the English laguage the proper spelling is vaporise. Vaporize is the Americanised spelling.
- tHePeOPle, on 10/11/2007, -1/+12I wonder how it will work against zombies...
- macaddct1984, on 10/11/2007, -3/+13Either spelling is acceptable.
- paradexes, on 10/11/2007, -0/+5I can already see the military applications there. They can vaporize whoever they want and deny that the person ever even existed.
On the other side of it I see it being used to make phasers. Set phasers to vaporize. By the way if you RTA you will find that this guy also was the CEO of AOL for a short time.
This will also be a good way to eliminate evidence. The article has more details as to how it works. - SillyRabbits, on 10/11/2007, -1/+6The title is inaccurate. It does heat the material that is vaporized (that's how it's vaporized!). What they mean to say is it happens so quickly that there isn't time for much heat to transfer to the surrounding area (and cause damage to it). However, this is already a well known thing and femto-second lasers have been around a long time - nothing new here. And yes, it'd still hurt if you put your hand in front of it.
- OrangeCrush, on 10/11/2007, -0/+5No they can't. They just don't spread damaging amounts of heat to surrounding tissue. In this house we *obey* the laws of thermodynamics.
- inactive, on 10/11/2007, -1/+6what about zapping spent uranium rods? what does this do? nuclear energy becomes much much cheaper.
- Traise, on 10/11/2007, -2/+7Expect the FBI to come to your house tonight
- trer, on 10/11/2007, -4/+8Science and Technology are so exciting. Why in the world does anyone need religion?
- sonaboy, on 10/11/2007, -1/+5Teacher: "Billy! Where is your math homework? And don't use the same old excuse!"
- tactix, on 10/11/2007, -0/+3Nothings gonna jump the shark now
- Leomarth, on 10/11/2007, -0/+3I work in the laser business building and repairing TEA, CO2 and Yag lasers. I may have to pass this onto my boss.
- OrangeCrush, on 10/11/2007, -0/+3Not much. The uranium rod would just be vaporized and probably settle as uranium dust. Blasting away the electrons makes the atoms repel away from each other, not undergo fission.
- kmpr326, on 10/11/2007, -0/+3The only purpose I can see for this is attaching them to sharks. All other uses, medical or otherwise is a waste of a laser that could be on a shark in the present or future.
- OrangeCrush, on 10/11/2007, -0/+3Nothing. Unless you want to use them on food, drugs or in medical procedures.
- inactive, on 10/11/2007, -0/+2You could, in theory, take out one target within a three dimensional constraint.
Hit the target in front leaving the one a very short distance behind untouched.
You could, in theory, fire them at extremely high rates, millions of shots a second, bloodlessly killing any number of enemy combatants with great precision and discretionary accuracy.
You could theoretically take out all incoming ballistic nuclear munitions with nothing more powerful than a car battery.
The orbital pulse laser makes large ballistic munitions ineffective or obsolete. - benjp2k1, on 10/11/2007, -0/+2That would be awesome to see in use towards fighting cancer. Dugg for sure.
- jarbro, on 07/23/2009, -0/+2interesting, if it is doing so without heat and just essentially 'vaporizing' the atoms, i wonder if there would be any pain if you put your finger in front of it, and if there is, would it be excruciating?
- EvoMR05, on 10/11/2007, -0/+2Well, the futuristic movies are here....
next time you get shot, you are in pieces, atomically speaking - insonh58, on 10/11/2007, -2/+4CANT I JUST GET SOME FRICKIN SHARKS WITH SOME FRICKIN LASERS ATTACHED TO THEIR FRICKIN HEADS?
IS THAT TOO MUCH TO ASK? - ubuwalker31, on 10/11/2007, -0/+2I want my han solo hold out blaster now, dammit!
- devo6273, on 10/11/2007, -1/+3Wouldn't that basically be like setting off a nuke? Rather than having a chain reaction causing all the atoms to split, you'd be feeding energy into the system in the form of a laser. I suppose if you did it slow enough it could be safe but I would think there would be a lot more radiation emitted.
Besides, even if it didn't radiate you would have to worry about a strange gaseous or liquid uraneum... It would only be helpful if the atoms split into something safer. - steamer25, on 10/11/2007, -0/+2http://snltranscripts.jt.org/94/94klaser.phtml ==> Warning: Do Not Use Amazin' Laser When Drowsy Or On Medication.
- Scottyx38, on 10/11/2007, -0/+1THIScan vaporise matter without any heat.
- aserer511, on 10/11/2007, -0/+1Now what happens if you
SWALLOW YOUR LAZER - inactive, on 10/11/2007, -0/+1pulse laser ablation
http://www.google.com/search?hl=en&q=pulse+laser+ablation&btnG=Google+Search - jarbro, on 07/23/2009, -0/+1Since the CEO once worked for AOL, maybe we will be getting free trial lasers in the mail by the dozen. Only to find out they dont work right and you have to may monthly charges just to use them.
- rstarr, on 10/11/2007, -2/+3Video.........or I'll lose interest quickly.
- slapthemonkey, on 10/11/2007, -1/+2Quite interesting and useful.
- acidhash, on 10/11/2007, -0/+1Fire phasers, bitch.
- Mcnostril, on 10/11/2007, -2/+3excitement isnt exactly the main attraction in religion
- Scottyx38, on 10/11/2007, -0/+1^
http://nedmbitesback.ytmnd.com/ - inactive, on 10/11/2007, -0/+1it is indeed :-)
hold onto to your hat.
An attosecond has been described as "the time it takes light to travel a distance equal in length to three hydrogen atoms".
"...
Number 567 #1, November 29, 2001 by Phil Schewe, James Riordon, and Ben Stein
Attosecond Physics Has Arrived
An Austria-Canada-Germany collaboration (Ferenc Krausz, Vienna Institute of Technology, 011-43-1-58801-38711, ferenc.krausz@tuwien.ac.at) reports that it has produced and detected, for the first time, isolated x-ray pulses lasting on the scale of attoseconds, where one attosecond is a billionth of a billionth of a second (10-18 s). The reported pulses, lasting approximately 650 attoseconds (as) and residing in the soft x-ray part of the electromagnetic spectrum, subsequently provided attosecond-scale measurements of a physical phenomenon (specifically, the detachment of an electron from an atom by an x-ray photon).
With these observations, and several earlier ones by other groups, attophysics becomes the short-timescale frontier of physics. It replaces femtochemistry, the production of light pulses at the 10-15 s (femtosecond) scale, in this regard. Just as a strobelight can yield stop-action photographs of a falling water drop, femtosecond pulses can capture the ultrafast steps of a chemical reaction between multiple atoms or molecules. But attosecond pulses are better equipped to capture the even speedier motions of electrons within atoms.
..."
http://www.aip.org/pnu/2001/split/567-1.html - tech42er, on 10/11/2007, -0/+1That's like saying, "What does the CSPC have to do with chemistry?"
- inactive, on 10/11/2007, -0/+1lasers are awesome
- ReTardis, on 10/11/2007, -1/+2"each femtosecond is a billionth of a millionth of a second" - Now that's fast!
- inactive, on 10/11/2007, -0/+1we could "section" an asteroid, in theory, cut it into cross sections.
We could also Swiss-cheese-it.
Turn enough of it from solid to gas, and it may just break apart from stress.
Even if it would not break apart from attrition, a shaped thermo-nuclear blast would shatter it.
any remaining chunks headed toward us?
Repeat the process.
In one pulse laser test, researchers punched a tiny hole or tunnel (I guess would be more correct) through three feet of solid steel using three "AAA" batteries as the power source.
A pulse laser controlled by an autonomous or semi-autonomous transport mechanism as a combination of wet and dry intelligence, like rodent embedding could change warfare altogether.
- simplejoe79, on 10/11/2007, -0/+1amazing.....but.....are they gonna use it in military too?:P
- tech42er, on 10/11/2007, -0/+1Can we knock out extra-planetary objects (e.g. satellites, asteroids, etc.)
- inactive, on 10/11/2007, -1/+2molecularly speaking I think you mean.
That is nonetheless quite correct.
The term sublimation would be more accurate.
There is no intermidiate liquefaction of the matter hit by the pulse laser beam.
The transformation is from solid directly into gas.
The only restraint on frequency of rounds fired would be light speed and of course latency.
If we are going to fire very powerful beams into space it could be a tragic mistake use standard lasers.
We might actually hit something we never intended to hit. Our "first contact" could be payback. - keithuk777, on 01/29/2008, -0/+0Hi I have been using this cream i got off a website 3 months ago now and my tattoo is starting to go all i can say is this will be the end to lazers and i would recomend it to anyone its great and way cheaper
http://WWW.Tattoo2go.co.uk - thirdeyeopen, on 10/11/2007, -2/+2"Shah can't begin testing without FDA oversight and approval, but he hopes the agency's familiarity with medical lasers will expedite the process when he gets funding and is ready to start testing. "
What the hell does the FDA have to do with lasers? - bushcheney1984, on 10/11/2007, -0/+0http://www.wired.com/science/discoveries/multimedia/2007/06/gallery_raydiance
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