Focusing x-rays

coderman coderman at
Tue Sep 22 20:31:26 PDT 2015

On 9/22/15, Juan <juan.g71 at> wrote:
> ...
> 	Isn't it possible to focus any sort(frequency) of EM wave, at
> 	least in theory?

in theory, with "metamaterials", yes.

in practice this is akin to the perfect invisibility cloak problem,
full of devilish details...

a full spectrum Superlens for any EM freq would be quite handy indeed :)

best regards,

More information about the cypherpunks mailing list