[Metalab] Camera obscura link / tomorrow's partial solar eclipse / we don't even need a lens!

[Michael Hauser]

pps: "Es handelt sich um die letzte von Wien aus zu beobachtende
Sonnenfinsternis bis zum 20. März 2015"

gebt's gas!!!

On Mon, Jan 3, 2011 at 21:06, Michael Hauser <awarewater at gmail.com> wrote:
> <http://www.waa.at/hotspots/finsternisse/pse20110104.html>
>
> On Mon, Jan 3, 2011 at 20:51, Michael Hauser <awarewater at gmail.com> wrote:
>> Morgen partielle Sonnenfinsternis!!!
>>
>> "In 13th-century England Roger Bacon described the use of a camera
>> obscura for the safe observation of solar eclipses."
>> from: <http://en.wikipedia.org/wiki/Camera_obscura>
>>
>> ein schuhkarton genügt also...
>>
>> have fun and do not stare into the sun!
>>
>