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What's up everyone. I've been interested in batteries for quite some time now, as practically every project I ever undertake is hindered by current battery technology, and it seems every potential startup is hindered by gaining capital, etc etc. I was curious what people here felt about a open...

It seems there is a ceiling for how powerful a laser can be in a certain size. I was wondering if this is due to material costs or if it is literally impossible to have like a 50 watt laser the size of a pen. I have no doubt it comes down to power levels etc. I'll bet many of you are excited for...

What's up everyone. I'm really liking the idea of lasers and I find it really interesting how they can burn small things with just a beam of light. The thing is that I can't really find anywhere that a person actually builds the laser from the ground up. Is it possible to build everything like...

Hello everyone, I've been quite interested in lasers lately, and I've been reading up on how they work, but there's just one thing I don't understand: I get that atoms require a certain wavelength to stimulate photons, but what I don't understand is why it wouldn't work the same with a regular...