Can someone help me with these 2 physics questions?1) Weather reports monitor ultraviolet (UV) light levels. Why is UV light a concern? 2) A green laser pointer produces 530 nm light with a power rating of 1.0 mW. How many photons ...Read More

Can someone help me with these 2 physics questions?

  • Written by Michael.
  • Posted on January 16, 2011.
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Is This Green Laser Good?I am about to buy a 30mW and 532nm, green laser pointer. Apparently it can go over 1 kilometer and is an astronomers laser point so its good for pointing at stars/planets. I was wondering if anyone ...Read More

Is This Green Laser Good?

  • Written by Michael.
  • Posted on January 16, 2011.
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Strange green laser problem?I got a green laser pointer from Think Geek last month, and now the laser dot has expanded in radius and decreased in brightness. Now instead of producing a bright focused point of green light, my laser ...Read More

Strange green laser problem?

  • Written by Michael.
  • Posted on January 16, 2011.
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200mw green laser pointer?will a cr2 photo battery work in my laser pointer Read More

200mw green laser pointer?

  • Written by Michael.
  • Posted on January 15, 2011.
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Does anyone know where can I get the green laser thing from M.I.A. Space video that\'s on miauk.com/mayaaspect?I have also seen it here : http://www.youtube.com/mm#p/u/14/alPZmj2mS-k Read More

Does anyone know where can I get the green laser thing from M.I.A. Space video that’s on miauk.com/mayaaspect?

  • Written by Michael.
  • Posted on January 12, 2011.
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Is there anyway to fix this?i recently got a flashlight that was a 2 in 1 flashlight and red laser pointer and the store isn't a very good store when it comes to things like these but i still bought ...Read More

Is there anyway to fix this?

  • Written by Michael.
  • Posted on January 11, 2011.
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I just got a laser pointer, its a 100 mW...what does mW mean?It's a green laser pointer Can my laser pointer cut through plastic and stuff? I just got it as a gift Read More

I just got a laser pointer, its a 100 mW…what does mW mean?

  • Written by Michael.
  • Posted on January 5, 2011.
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What kind of laser do i need to get to light cigars and things like that on fire?I'm looking to get my laser from this website: http://www.yotang.com/laser-pointer-pen-wholesale_c204.html any color is fine, just one that will burn things like cigars. the lasers ...Read More

What kind of laser do i need to get to light cigars and things like that on fire?

  • Written by Michael.
  • Posted on January 2, 2011.
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Which of the Teen Titans would you rather be?1) Robin: Can fight really good and the leader of the team. 2) Starfire: Is really pretty and comes from a different planet, can shoot star bolts and can shoot laser from her ...Read More

Which of the Teen Titans would you rather be?

  • Written by Michael.
  • Posted on December 30, 2010.
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what would be symptoms of damage to the eyes from a laser pointer? Read More

what would be symptoms of damage to the eyes from a laser pointer?

  • Written by Michael.
  • Posted on December 26, 2010.
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