With Plastic Bottle Cutter, you can reuse and recycle plastic bottles of all kinds, turning them into convenient universal handy ropes.

NASA scientists recently captured stunning images of the shock wave produced by jets against the background of a speckled desert floor.

The shock wave is visible in the images because it deforms the air in front of the aircraft, changing the way it refracts light.

Can you walk on water?

 A substance called non-Newtonian fluid makes it possible.

Just see for yourself.

In 1895, when Einstein was just 16 years old, he failed his first entrance exam  for the Swiss Federal Polytechnic in Zürich, Switzerland.

He achieved good grades in the math and physics portions, but failed the general part of the exam.

Einstein found another school in Aarau, Switzerland to finish the general studies that he needed for entrance into the Polytechnic, and finished the studies within one year, and was only 17 years old when he started college!

King Tutenhamun’s parents were siblings.

DNA confirmed this mummy is both the mother of King Tut and the sister of Tut’s father Akhenaten.

Tut’s father is very likely Akhenaten. The identity of his mother is still unknown.