Green Arrow's trick arrows range from the bizarre to the useful, like the Sun Arrow that creates a sun but was only used once. The Fountain-Pen Arrow aids in following criminals with a line of ink ...

An curved arrow pointing right. Human eyes could be easier to trick than you might think. A Japanese professor, Kokichi Sugihara, created sculptures that trick the mind to see the impossible.

Factory. In the interim, fans who have been clamoring for a 4K release now have something to celebrate, as itâ s just been ...