Fata Morganas Make Fantastic Castles Appear Over the Ocean

In past centuries, sailors were sometimes surprised to see upside-down ships sailing in the sky, or elaborate castles built on the ocean. When they turned towards them, these apparitions vanished. The illusions, called The Fata Morgana, can still be seen today if the witches are in a mood the weather's right. » 8/05/14 10:28am 8/05/14 10:28am

These optical helmets are like funhouse mirrors for your face

The optical helmets of Korean artist Hyungkoo Lee are delightfully creepy. Carefully positioned lenses of varying surface curvature make dysmorphic playthings of the wearers' features – shriveling mouths, inflating noses, and multiplying eyes in cartoonish displays that are as captivating as they are disturbing. » 3/15/14 8:45am 3/15/14 8:45am

What would the Earth be like if it was the shape of a donut?

According to the laws of physics, a planet the shape of a donut, or toroid, could actually exist — but it's extremely unlikely to ever form naturally. But what if an advanced alien civilization decided to build one? What properties would a toroid-Earth exhibit? And what would life be like? » 2/04/14 12:00pm 2/04/14 12:00pm