Spyder III Pro Arctic Laser
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Soldato
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They have released a few promo videos of it over the last few weeks on the Tinternet - the videos just consist of photo stills of it sitting on an Ice bed with dry ice wafting around it - with the video panning back and forth.
Unfortunately none of the videos actually show it in action......it's live power capabilities or performance (it actually burning something or cutting through something as easily as it claims)
Bit strange that, considering it's advertised as the most powerful/dangerous handheld laser pointer Maybe they were that busy trying to make it light two match heads instead of one, they forgot to distribute the clips of it actually doing what it claimed.
No doubt there will be some clips in the next few weeks of some teenager lighting the head of a match at 60cm's rather than 30cms (as was the case with their lower powered lasers) or poping a ballon at 10m rather than 3m
Unfortunately none of the videos actually show it in action......it's live power capabilities or performance (it actually burning something or cutting through something as easily as it claims)
Bit strange that, considering it's advertised as the most powerful/dangerous handheld laser pointer Maybe they were that busy trying to make it light two match heads instead of one, they forgot to distribute the clips of it actually doing what it claimed.
No doubt there will be some clips in the next few weeks of some teenager lighting the head of a match at 60cm's rather than 30cms (as was the case with their lower powered lasers) or poping a ballon at 10m rather than 3m
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Soldato
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WANT.
I don't think the goggles will attenuate the direct beam enough.
I know we were playing with some lasers in the physics department and we were focusing the beam at a fixed point in the air, causing sparks.
depends on the power - i expect the correct pair of goggles could take a direct beam for half a second before melting/cracking - thats all you need for protection. of course a direct beam for any period of time will simply heat up the absorbing material, so a specialist material is needed - but then if you spend enough money you could get glasses good enough - they will cost you much more than the laser though!
i'm pretty sure you can buy glasses that rather than absorb specific wavelengths they actually reflect specific wavelengths - that would get around the heat problem. there are limits but a few watts should be easily protectable.
Out of interest, does anyone know the light power in watts of the atomic bomb? I remember watching testing videos from a boat out at sea, people were told to turn around and close their eyes but one guy didnt. He said he looked at his hands and arms and could see the bones
Must be some serious wattage of light there!
Must be some serious wattage of light there!
Don
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Only if you have some sort of mirror arrangement, and a stick in the middle to hold it in place. Even then you have to then have something to re-absorb the energy at the end of the beam.
A true lightsaber would need to be something very different. Perhaps plasma based, but it would need a LOT of power!!
Soldato
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Sure Jedi are kinda like the Secret Police. You go in and kill subversive types, whilst at the same time ignoring the general laws that the rest of the population has to adhere to.
Don
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They already do this (kinda), when they were on the landing missions, they dropped laser reflectors onto the surface of the moon.
If you shine a powerfull enough laser in the right area of the moon, the beam is reflected back, and can be picked up by a calibrated meter.
Not sure you will be able to do it so you can see the beam on the surface. It would need to be a really intense beam to reflect enough back at you for you to see it that far away!
Why, what would you do with it?
Man of Honour
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The amount of light coming back is literally a few photons though and that's with a much more powerful laser.
Soldato
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Yea, well blame the newspapers and media, before now; chavs and yob'oesss didnt know anything about them.
Ironic isnt it; the newspapers etc saying how dangerous these lasers are and at the same time informing everyone where they can legaly aquire a weapon, if they just kept there mouths shut and didnt report it, the news would be kept to specialist forums where the average chav would not have a clue.
I understand your point and agree to an extent, but firstly I doubt newspapers actually tell people 'where' to buy one of these from, not that anyone couldn't find a place within 10 seconds on Google. But I think it's wrong to blame the media for these lasers potentially getting into the wrong hands? Surely it's down to retailers and appropriate laws to ensure that an average Joe can't buy one without some kind of license?
They did. They mentioned the company Wicked lasers in the article in Metro and also the price.
I think its down to the media, like already said, they would be for specilist forums before newspapers got wind of it. Like Mcat was underground in the club culture only (and russia for decades) before the media for wind of it, then school children started eating it like sweets
Soldato
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A laser beam is several hundred metres wide by the time it reaches the moon's surface I think, so the attenuation is huge. The small amount that is caught by the reflector then spreads and attenuates even more on its return trajectory.
Edit: the attenuation of the beam is about 1 photon received for every 10^17 emitted.