These are my links for July 7th through July 21st:

• How To Test a Lens –
• How to give your cat a pill in 7 steps –
• Labwarehouse.com – Surplus lab supplies, equipment and goods:
• Old Soul –
• Old School Color Cycling with HTML5 –
• The Truth About Guns – Exploring the ethics, morality, business, politics, culture, technology, practice, strategy, dangers and fun of guns
• Plnnr – plan the perfect trip, automatically! –

For and from my brother.

If you can see anything in these two pictures, you are probably colorblind. I’m not sure if this means there could be a way to make colorblindness useful, but it’s a good demonstration nonetheless. Click on “Read the rest of this entry” for the “answers”.

from Structure Strangeness

and the “answers”: