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[Sergarr]

Wouldn't it be easier to just, you know. Use cables?

[forsaken1111]

Meta-mirror reflects only a single wavelength of light.

I can't think of any immediately practical uses for it, but it's still pretty cool.

Here's the Physical Review Letters article, for those who understand this kind of thing.

Well if you could make it reflect a specific portion of the spectrum and let the rest through, this would be great for damping down the goddamn sun glare on my morning commute

I'm pretty sure that already exists and is called "toned glass".

Yes but can it block the sun out entirely? Or reflect it into the eyes of oncoming traffic? I THINK NOT!

[Tylui]

Wouldn't it be easier to just, you know. Use cables?

Yeah but then you'd have to give up all the money-wasting-via-Candy-Crush time that our taxes pay for

[Rose]

If they could get this to work with visible wavelengths of light, it could be used in telescopes.

[Dutrius]

If they could get this to work with visible wavelengths of light, it could be used in telescopes.

Could be a replacement for H-alpha filters, maybe.

[wierd]

It could be useful for reducing/eliminating multimode noise inside klystrons.

[Arx]

Okay, this one's actually useful outside of niches.

Next-level 3D printing: Terminator Style

So using UV light, oxygen, and a pool of liquid resin, it's possible to shape much more complex shapes in an order of magnitude less time.

[Lagslayer]

Okay, this one's actually useful outside of niches.

Next-level 3D printing: Terminator Style

So using UV light, oxygen, and a pool of liquid resin, it's possible to shape much more complex shapes in an order of magnitude less time.

Neat.

[Sirus]

Okay, this one's actually useful outside of niches.

Next-level 3D printing: Terminator Style

So using UV light, oxygen, and a pool of liquid resin, it's possible to shape much more complex shapes in an order of magnitude less time.

That looks really cool, actually.

[Arx]

Another explanation thing on imgur with a different thing being made.

[forsaken1111]

Another explanation thing on imgur with a different thing being made.

That is really cool but oh god... one of the comments is talking about carbonated lipton iced tea and I can't even... oh god...

[hops]

Okay, this one's actually useful outside of niches.

Next-level 3D printing: Terminator Style

So using UV light, oxygen, and a pool of liquid resin, it's possible to shape much more complex shapes in an order of magnitude less time.

W-wait, isn't this how 3D printers work already‽

[forsaken1111]

Okay, this one's actually useful outside of niches.

Next-level 3D printing: Terminator Style

So using UV light, oxygen, and a pool of liquid resin, it's possible to shape much more complex shapes in an order of magnitude less time.

W-wait, isn't this how 3D printers work already‽

Conventional 3d printers deposit layers of material onto the object. This draws them out in a continuous stream by curing the resin.

[hops]

I was focusing on the deal with using lasers, but apparently that's not the point.

[miauw62]

Wouldn't that sort of printing only be possible with specific sorts of plastic?