Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possibility suggested by Albert Einstein when he discovered special relativity over one hundred years ago. Colin Stuart imagines where (or, when) this fascinating phenomenon, time dilation, may one day take us.
How to Draw a Circle Perfectly Freehand?
How to draw a circle perfectly? Learn this simple technique to help you draw a near-perfect circle freehand. It could be useful for drawing charts.
