☼ CHRIS MARTZ Z Z ☄
a content archive curated by Chris Martz
☼ CHRIS MARTZ Z Z ☄
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reward - 2014
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autosafari:

U.S. Marine Corps “Harrier Jet,” a British-designed plane shaped after the aerodynamic features of the “marsh hawk,” and which allows for quick take-off and landing (in areas as small as a tennis court), also having extreme airspeed and maneuverability using a 4-nozzle inverted pitch control system.photo by James A. Sugar
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pytr75:

cargocollective.com/mariofelipe
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whybray:

ifihadthefreedom:

If I had the freedom… by Simon Whybray

tbt for World Peace Day 213
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mucholderthen:

Why do the dots disappear?Nature News via Why Evolution Is True

This is one of the most baffling illusions I’ve ever seen.
Take a look at the gif above. First, look at any yellow dot as the figure moves. The yellow dot remains present and stationary.
If you concentrate on all three yellow dots, they remain there as well.
But now concentrate on the central green dot. You will see one or more of the yellow dots disappearing and then reappearing sporadically. They are not—this is an optical illusion.
The dots remain and your brain simply doesn’t register their presence from time to time. Weird, eh?

Continue reading in “Why Evolution Is True" ..,.
Check out the original at Nature News and Comment …
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