[Sender]

I have this fantasy that will no doubt become reality during my lifetime; a sword that cannot be damaged and which will cut through most everything.

It will be tough, elastic and yet exceedingly hard. And from this sword will come miracles. And then will come Toyotas, and tent poles, and flatware.

[AZLiberty]

I have this fantasy that will no doubt become reality during my lifetime; a sword that cannot be damaged and which will cut through most everything.

See this Wired article about QuesTek's efforts in this area.