Graphene supercapacitors printed with domestic DVD writer

[Nick]

Just had to share this - just once in a while something amazing comes along - like the "scotch tape triboluminescence produces x-rays" a few years ago, this one just made me happy:

http://www.theregister.co.uk/2013/02/21/...print.html

http://vimeo.com/51873011#

Source: http://newsroom.ucla.edu/portal/ucla/ucl...43553.aspx

10/10 for ingenuity

[Radio Fixer]

Agreed. Strange they dont say what capacity they achieved or did I miss it?

thanks Gary

[Nick]

You could work it out from the led running time and say 10mA current. that would give you the total charge. Doesn't help with the key metric of charge per unit volume...

I just love this sort of lateral thinking...