Old 12-18-2015, 02:55 PM #1
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Exclamation Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

Just saw this article on the NBCNews main page as I was catching up on the news this morning. Features an interview with styropyro.


Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers? - NBC News



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Old 12-18-2015, 06:05 PM #2
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

Nice to see a news story about lasers where no one was arrested.
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Old 12-19-2015, 02:00 AM #3
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

I think efficiency would help us have handheld laser pistols, no?
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Old 12-19-2015, 04:45 AM #4
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

Nice interview.
The lack of powerful light weight portable power is holding back many facets of technology.
You want to be a billionaire?!? Develop the next generation battery/portable power supply.
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Old 12-19-2015, 05:24 AM #5
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

LC is so right, there is much technology that could be used and implicated into our lives but just isn't feasible yet due to the lack of battery/power technology at the moment.
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Old 12-19-2015, 08:40 AM #6
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

I'd like a lightsaber that when you turn it off, the beam disappears starting from the top and moves down to the host, like in the movies, please.
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Old 12-19-2015, 03:55 PM #7
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

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I'd like a lightsaber that when you turn it off, the beam disappears starting from the top and moves down to the host, like in the movies, please.


Like my Master Replicas Force FX Luke Skywalker lightsaber?

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Old 12-19-2015, 11:06 PM #8
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Like my Master Replicas Force FX Luke Skywalker lightsaber?

Exactly!
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Old 12-19-2015, 11:39 PM #9
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

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Nice interview.
The lack of powerful light weight portable power is holding back many facets of technology.
You want to be a billionaire?!? Develop the next generation battery/portable power supply.
You think people haven't already? I have no doubt that the oil industry/or other organizations has suppressed the growth for greater capacity and performance.
I've read a few articles of promising types of batteries that you never hear of again.
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Old 12-19-2015, 11:52 PM #10
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

We'll see if I regret this but I gave Batteriser some upfront money by way of (pre)buying products to be released at a later date (form of crowdfunding). Since laserpointer builders already know about boost/buck DC-DC converters (Batteriser is boost and constant voltage), the concept is not science, just requires engineering to get enough capability to fit the battery/compartment to save you more money than you would otherwise spend without it.

But their claims have been called overstated as stated by various folks here.

But since I enjoy electronics, this might come in handy. I also bought something similar called Joule Thief.

Last edited by OVNI; 12-20-2015 at 12:07 AM. Reason: clarifying
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Old 12-20-2015, 12:09 AM #11
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Talking Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

Capacitors and graphene cells, cold fusion, other breakthroughs, etc, might get us there eventually.

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Old 12-20-2015, 12:21 AM #12
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

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Capacitors and graphene cells, cold fusion, other breakthroughs, etc, might get us there eventually.

I think we need to run out of oil first which is sad.
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Old 12-20-2015, 12:26 AM #13
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

If you want significantly more energy density different technology is definitly required. Lithium cells are about as energy dense as you can make anything electrochemical. There might be marginal increases, but with chemical storage there will never be any type of battery that holds 10x more energy per volume or weight than the cells we currently have - it's just not theoretically possible.

With nuclear technology the theoretical limit is in the order to 100 to 1000 times what we currenly have as batteries (for fission and fusion respectively), but there seems to be little chance of developing anything portable apart from a low-efficiency RTG.

Power density could be increased in chemically based storage, as we have seen in batteries for drones that deliver quite a lot of output for their size, but they will not last very long doing so.

Power vs energy density is an interesting thing though: if you could discharge your laptop battery in 1 second, it would output 100 kW+ during that second. Potentially enough to operate a laser that shoots down aircraft, with 1 laptop of 'ammo' required per shot
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Old 12-20-2015, 03:51 AM #14
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

Doesn't the electron have no size? If so wouldn't it be true that theoretically we could harness a virtually infinite amount of electricity in a finite space?
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Old 12-20-2015, 05:20 AM #15
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

If they have, then they have sold out to the oil companies.
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Old 12-20-2015, 05:40 AM #16
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Default Re: Why Do We Have Lasers, But Not 'Star Wars'-Style Lightsabers?

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You think people haven't already? I have no doubt that the oil industry/or other organizations has suppressed the growth for greater capacity and performance.
I've read a few articles of promising types of batteries that you never hear of again.
You've jumped fully on board the conspiracy train, eh?
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