Throwback Thursday

by Lauren Pennino   Throwback Thursday is the best and worst day of the week. It is great in the sense of feeling nostalgic and reminiscing on good memories from the past, but it's also bad because it makes a person feel old and frightened with how fast time really goes ...

When I was a kid I spent countless hours (and many pieces of cardboard) inventing new designs on my Spirograph with its wheels, circles, pins and colored pens. Little did I know the history and the science behind this wonderful toy. Mathematician Bruno Abakanowicz invented the spirograph between 1891 and 1900 as a means of calculating an area delimited by curves...