This “smiley face” crater was imaged by the Mars Reconnaissance Orbiter last week.
The unnamed crater is about 3 kilometers (1.9 miles) across. It is located among the Nereidum Montes, north of the Argyre basin, near 45.1°S, 55.0°W. North is toward the right and sunlight illuminates the scene from the upper right.
Credit: NASA / JPL / […]
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This is a great party trick..
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This illusion is one of the many works of Hungarian artist István Orosz.
Which way do you think the window opens?
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Look at this silhouette of a spinning girl below, is she spinning clockwise or counter-clockwise?
If you look at her long enough she will appear to spin in the opposite direction.. It took me about a minute for the spinning to reverse, I found it helped to momentarily look away from the image.
How long did it […]
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The Neural Correlate Society have judged the best optical illusions for 2007 (even though we are still only in May) and the first prize entry is:
The Leaning Tower Illusion
Here is a novel illusion that is as striking as it is simple. The two images of the Leaning Tower of Pisa are identical, yet one has […]
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In this vid, the speed of rotation of the helicopter’s rotor blades is almost perfectly synced to the cameras fps, giving rise to the illusion that the rotors are not spinning. Very cool effect!
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In the image below the “gears” appear to be rotating. The movement is an illusion.
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This is a pretty cool illusion, have a look at the squares marked ‘A’ and ‘B’ in the image above. They look like they are different colors but in actual fact they are not, they are exactly the same.
Placing the squares side by side as in the image below destroys the illusion. Try it yourself.
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In 1976, the Viking 1 spaceprobe took this now famous photograph of the Cydonia region of Mars.
Many people still believe that the photo shows an artificial humanoid face and therefore evidence of a past civilisation on the red planet, however high resolution images obtained by Mars Global Surveyor in 2001 and by the Mars Express […]
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This vid shows you how to heal and seal a crushed soda can, it’s pretty simple once you know how the trick is perfomed.
Turn the sound down for this one, the soundtrack really sucks.
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