Ragged Clown

It's just a shadow you're seeing that he's chasing…


Gentlemen, we have the technology…

Researchers at Stanford University have used microelectrode arrays consisting of multi-walled carbon nanotubes to electrically stimulate rat retinal neurons.

The small diameter of the nanotubes – 50 micrometres – enabled the researchers to stimulate individual ganglion cells growing on the microelectrode arrays.

Cribbed from Neurophilosophy blog