Camera obscura link / tomorrow's partial solar eclipse / we don't even need a lens!
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!
<http://www.waa.at/hotspots/finsternisse/pse20110104.html> On Mon, Jan 3, 2011 at 20:51, Michael Hauser <awarewater@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!
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@gmail.com> wrote:
<http://www.waa.at/hotspots/finsternisse/pse20110104.html>
On Mon, Jan 3, 2011 at 20:51, Michael Hauser <awarewater@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!
Teilnehmer (1)
-
Michael Hauser