profdithering

3 ms·

1. 1.▲
   LED Strain(ledstrain.org)

   162 points by profdithering 8y ago|217 comments
2. 2.▲
   by profdithering 8y ago

   Thanks, I just emailed you. I'd greatly appreciate any information. I fear this will affect my job and I'll have to learn some skill without computers.
3. 3.▲
   Migraines and Eyestrain from Smartphone?

   2 points by profdithering 8y ago|2 comments