Kostas Karpouzis

Kostas Karpouzis

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Kostas Karpouzis
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This is useful for explaining to your kiddos how the eye sees colors.

Human eye sees color by mixing the signal from three different cones cells in the retina. Cones sensitive to red, green and blue light respectively. The brain interpret color based on those three signals.

Electroninks Incorporated is raising funds for Circuit Scribe: Draw Circuits Instantly on Kickstarter! Circuit Scribe is a rollerball pen that writes with conductive silver ink. It makes creating circuits as easy as doodling.

#GoT

#GoT

Moon rising over NZ

Moon rising over NZ

Science: it's a girl thing!

Science: it's a girl thing!

Thirty One Gifts, Fundraising, Puzzles, Pop Culture, Puzzle, Riddles, Fundraisers

Google + Cirque du Soleil = You!

Google + Cirque du Soleil = You!

Photo of the Day - House checks out -- Greek style

Photo of the Day - House checks out -- Greek style

Earth hour once again

Earth hour once again