Ultrathin "blanket" spacecraft could someday wrap up dangerous space junk for destruction

[Medievalist]

@Mark_Martel

Ideally you’d want to keep it in orbit to recycle all those expensive materials that we spent so much fuel to put up there

True, but unfortunately it’s going to take more energy and fuel to gather it up than it would take to launch an equivalent mass of useful objects.

10 Things: What's That Space Rock? - NASA Science