Passive Digital Sundials | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		Passive Digital Sundials (fransmaes.nl)
		3 points by mhb on April 18, 2010 \| hide \| past \| favorite \| 1 comment

mhb on April 18, 2010 [–]

http://en.wikipedia.org/wiki/Digital_sundial

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact