178 reputation
3
bio website
location UK
age
visits member for 1 year, 2 months
seen Nov 23 at 23:35

May
12
answered Why are large batteries described by their power?
May
7
comment How does light bend around my finger tip?
Wow, that's a lot of effort for an answer. +1, with feeling :-)
May
5
awarded  Critic
Jan
22
answered Coherence effect on collecting sun light by mirrors
Nov
7
awarded  Supporter
Sep
28
awarded  Teacher
Sep
28
answered Are Fresnel lenses widely used for solar electricity? If not, why not?