bah, 2 days wait.
hrmph
hrmph
I don't understand how the beam is visible, I'm pretty sure that can't be true.
They can cut paper, and burn it, but starting fires? Not too sure. You'll still need something with high combustion spontaneity, and a lot of it.GuliblGuy wrote:
I sell promotional products, and have a client who got some with their logo on them . . . I know that they are much brighter and the beam travels farther, but I don't think the ones I sold can cut things or start fires! But maybe . . . might have to borrow one from the warehouse tonight and see hehe.
i know ruby causes red lasers but what about green lasers? emerald?
lol his one are £47.95 in the UK, bump
dittoDauntless wrote:
I don't understand how the beam is visible, I'm pretty sure that can't be true.
I guess I'll just wait and see...
lol and I just found one for £3 but withh £22 p&p
lol I jus bought one that all together came to £24
now I gotta wait like a week for it
now I gotta wait like a week for it
Tourmaline.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?
Diopside.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?
Demantoid.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?
ooh. intriguing....thanks for the infomation..Coolbeano wrote:
Tourmaline.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?Diopside.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?Demantoid.jkohlc wrote:
i know ruby causes red lasers but what about green lasers? emerald?
Lol. The beam is visible because of dust particles in the air. Same with red lasers, by the way. The difference in color comes from the different gases that are used to project the beam. The green beam is probably more visible simply because it is brighter, and therefore reflects off dust particles in a more visible manner. In a vaccum neither red or green lasers have visible beams. (Didn't red lasers use argon gas by the way?)
EDIT: it appears there are also solid-state lasers, which don't use gas. (Ruby for example, as someone said above). It's likely that these laser pens are solid state lasers instead of gas-lasers.
EDIT: it appears there are also solid-state lasers, which don't use gas. (Ruby for example, as someone said above). It's likely that these laser pens are solid state lasers instead of gas-lasers.
Last edited by LaidBackNinja (2007-04-04 11:36:53)
"If you want a vision of the future, imagine SecuROM slapping your face with its dick -- forever." -George Orwell
crazy.
I liked the Lisa Gerrard from Gladiator soundtrack too.
I liked the Lisa Gerrard from Gladiator soundtrack too.
The ones in that video capable of party tricks cost several hundred dollars.
I have a 25mw myself, it shines nicely, but wont burn anything other then perhaps a retina......
I have a 25mw myself, it shines nicely, but wont burn anything other then perhaps a retina......
Yes, lasers don't use filters to give them colors, that's why you never see white lasers.
I just bought one that totaled $60. The laser itself was only $35, and no, I didn't get express shipping.
I just bought one that totaled $60. The laser itself was only $35, and no, I didn't get express shipping.
A friend of mine got a green laser pointer/pen, and I've seen it in action. We took it up into the hills at night and shone it out across a valley, and you could see the beam all the way to the cliffs the opposite side to us,(maybe a mile and a half away) it was pretty damn cool.
The coolest bit is when you hold it to the side of your head, so that wherever you look you get a beam pointing in that direction like some kind of futuristic aiming device for your laser vision. We didn't try burst any balloons or anything with it though, so I don't know what kind of power it had.
The coolest bit is when you hold it to the side of your head, so that wherever you look you get a beam pointing in that direction like some kind of futuristic aiming device for your laser vision. We didn't try burst any balloons or anything with it though, so I don't know what kind of power it had.
trippy
reminds me of this foo fighters concert i went to
giant green laser beams at the sides of the concert coming down onto the crowd = ooooooohhhhhh
didn't cut anyone as far as i know though
reminds me of this foo fighters concert i went to
giant green laser beams at the sides of the concert coming down onto the crowd = ooooooohhhhhh
didn't cut anyone as far as i know though
"oooooooooooooh look at that, aaaaaaaaaaaaaaaaaaaaaaaaargh my arm!!!! freaking lasers!!!"sfarrar33 wrote:
trippy
reminds me of this foo fighters concert i went to
giant green laser beams at the sides of the concert coming down onto the crowd = ooooooohhhhhh
didn't cut anyone as far as i know though
I wonder if Dr evil wants green lasers on his sharks?
I had a red laser that ran on AAAs, but I don't recall what sort of wattage it used. The only way to see the beam was to hold it next to your eye on a foggy night. Even if it was REALLY foggy, you couldn't see the beam if you looked at it at around 90 degrees.
lol, I have one. It's pretty cool!
Cant cut through stuff and beam isn't visible but cool nonetheless.
Cant cut through stuff and beam isn't visible but cool nonetheless.
omfg, it shines across the road on neighbours walls in broad daylight! Can see it clearly!
Yeah, I know this is my 3rd post on the trot.
But it turns out you can see the beam! only in the dark though
But it turns out you can see the beam! only in the dark though
hahabennisboy wrote:
"oooooooooooooh look at that, aaaaaaaaaaaaaaaaaaaaaaaaargh my arm!!!! freaking lasers!!!"sfarrar33 wrote:
trippy
reminds me of this foo fighters concert i went to
giant green laser beams at the sides of the concert coming down onto the crowd = ooooooohhhhhh
didn't cut anyone as far as i know though
I wonder if Dr evil wants green lasers on his sharks?
wouldn't slow me down, after all
"It's just a flesh wound"
I still don't understand how that's possible without fog or some sort of mist.liquidat0r wrote:
Yeah, I know this is my 3rd post on the trot.
But it turns out you can see the beam! only in the dark though
I did physics in A level, and I know a bit about how light works, can someone explain how the beam is visable?
Do you want me to make a video?
I do Physics too. The light must be "shining" onto very small particles, such as water vapour or dust; i guess. You can see the beam inside as well as outside.
I do Physics too. The light must be "shining" onto very small particles, such as water vapour or dust; i guess. You can see the beam inside as well as outside.