Shelly...

Degas, Are we not drawn onward, We freer few, Drawn onward To new eras aged?

Impossible drawings?

Impossible Cylinder

Those familiar with MC Escher will have seen or heard about most of his 'impossible drawings'... these were 2D renderings of images that were virtually impossible to build on a 3D plane. It could be modelled and rendered on 3D, but can only be visualised on a 2d plane.

Garden Fence

Penrose Triangle

Escher Cube

Interstellar travel, the magnitude in perspective

Have you ever wondered when we will be able to travel to distant stars as easily as in science fiction stories?

The Voyager spacecraft left the solar system at 37,000 miles per hour. At that speed, it would take Voyager 80,000 years to reach Proxima Centauri, the nearest star to us after the sun.

Why is interstellar travel so tough?