Spider-Man famously claimed that Captain America’s shield “doesn’t obey the laws of physics” in Captain America: Civil War, but this might not be entirely accurate. Captain America’s shield is a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Captain America’s star-spangled shield can stand up against the ...

There aren’t many heroes who are more iconic than Marvel’s Captain America, with his instantly recognizable emblematic star shield, and despite vibranium being a work of fiction, astrophysicist and ...