Captain America's weapon of choice is his iconic, star-spangled shield. The Marvel hero can hurl it at a baddie and then summon it back to his arm. Now, YouTuber the Hacksmith can too. He ...

Join the Hacksmith team as they test their 4,000°F retractable plasma lightsaber. From sci-fi dreams to real-life applications, this is one test you don’t want to miss! Hacksmith Industries ...