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Blinking Halloween eyes with an ATtiny2313 AVR microcontroller
florinandrei
106 views
http://florin.myip.org/blog/how-make-halloween-creepy-blinking-eyes-atmel-avr-microcontroller
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Dry ice (solid CO2) + warm water
florinandrei
42 views
what the title says
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polishing a telescope mirror with a subdiameter lap
florinandrei
59 views
Lap is 1/3 the diameter of the mirror. Doing W strokes to fix a central defect.
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polishing a telescope mirror
florinandrei
136 views
150 mm f/8 Pyrex mirror 1:6 thick. Polishing with Cerium Oxide on burgundy pitch lap, MoT (mirror-on-top) 1/3 W strokes with slight waltzing at the end of stroke to avoid s...
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Rocket launch
florinandrei
148 views
Launched a small Estes rocket today. Lots of fun.
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Tesla's song
florinandrei
144 views
Two Tesla coils playing music at the 2011 Maker Faire, San Mateo, CA
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cart
florinandrei
46 views
Phineas and Ferb in real life.
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Hitler is mad at Panasonic for GH2 camera availability issues
florinandrei
8,946 views
(EDIT: The GH2 is now available.) So... I'm looking for a GH2 camera. And it's available nowhere. It turns out I'm not the only one frustrated by the situation - Hitler is ...
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Grinding a telescope mirror
florinandrei
319 views
A 150 mm (6") Pyrex mirror. Coarse grinding is complete already, focal length is 1200 mm. The mirror is F/8.
This is fine grinding with #120 silicon carbide (SiC). Normal ...
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Fun With Lasers
florinandrei
1,866 views
Burn paper, pop balloons, light matchsticks - lasers are fun!
http://florin.myip.org/blog/how-build-small-laser-can-burn-things
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