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Old 12-29-2016, 08:18 AM #1
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Default Quantum Laser Pointers - Popular Bunk?

Look at this advertisement regarding the double slit experiment and their pointer offering. I don't think this is anything more than a toy, you really can't do anything with it in regards to that experiment, can we?



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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

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Old 12-29-2016, 12:12 PM #2
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Default Re: Quantum Laser Pointers - Popular Bunk?

This really interesting. Curious, might be fun to have one just to goof around with.
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Old 12-29-2016, 01:04 PM #3
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Default Re: Quantum Laser Pointers - Popular Bunk?

I only saw a cartoon of a product. I didn't really see any
actual product or actual beam spot of that experiment on
any actual surface.
It looks like a Dollar Store pointer with it's LR44 button cells
and probably a plastic "slit" front end.
I'd invest $2-$3 in that or build one myself.

Jerry
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Old 12-29-2016, 01:35 PM #4
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Default Re: Quantum Laser Pointers - Popular Bunk?

The slits will cause an interference pattern, but they are huge slits compared to the size of the ones used in the real experiment. Doesn't matter I suppose, just an interesting toy which shows an interference pattern.

Edit: found a link on how to do the double slit experiment at home http://www.teralab.co.uk/Experiments...Slits_Menu.htm







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Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
.........................
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Last edited by Alaskan; 01-01-2017 at 07:18 PM. Reason: added more pix
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Old 12-30-2016, 09:22 PM #5
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Default Re: Quantum Laser Pointers - Popular Bunk?

Interesting.....
I wonder how they got all that into the Keychain pointer...

Jerry
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Old 12-31-2016, 01:33 AM #6
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Default Re: Quantum Laser Pointers - Popular Bunk?

Quantum tunneling
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To shorten my signature I have moved most of my laser related web links to this forum page, the second post in that thread shows most of my builds... Alaskan's Laser Links: http://laserpointerforums.com/f44/al...ml#post1449395


Sincerely investigate any of these three short quotes as new concepts and you've taken your first step into a larger world:

"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

Each of these three rabbit holes go deep, ending up in the same place.

Useless troll fighting.
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PhotoB****t high jacking you too? Use this link instead:
http://imgbb.com

High resolution of my avatar: https://ibb.co/fWOhXF
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Old 01-01-2017, 07:16 PM #7
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Default Re: Quantum Laser Pointers - Popular Bunk?

That toy interferometer is pretty useless except to show that interference patterns exist. If it sells for more than a couple dollars, it is not worth it. As the rulings become more dense in a diffraction grating the angle that different wavelengths have with respect to each other increases and makes for a more sensitive setup, with better experiments that can be accomplished. Thanks for sharing this, Alaskan.
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