How many years do we have to wait for our own lightsaber? Not those toys that glow and have built in sound effects, but a legit, I’m gonna cut my steak with it, working lightsaber. YouTube user, Styropyro, decided to stop waiting around and make it happen on his own. The laser uses a 9mm 450nm laser diode and runs two 18650 Li Ion batteries, and, while it’s not exactly a real-deal lightsaber, it will torch a lot of stuff that gets in its path.

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It’s time to finally put sleepless nights and groggy mornings to rest for good with a new Casper mattress. Using a combination of multiple foams and a breathable design, the Casper mattress helps you sleep cool and comfortably with just the right amount of sink and bounce. But don’t just take our word for it, try a Casper mattress for 100 nights as part of their sleep-on-it trial. Plus, Cool Material readers can save $50 on the mattress with code COOLMATERIAL. It’s time to get better sleep.