The Twin Jet Nebula: The Twin Jet Nebula, or PN M2-9, is a striking example of a bipolar planetary nebula. The Hourglass ...

A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of radius R (see black circle below). We assume that the ...

Wikipedia describes Spirograph as a “geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.” While that all ...

[Tuchman] starts with a quick proof-of-concept using an actual plastic Spirograph toy to make sure it isn’t a totally unworkable idea. Unsurprisingly, the plastic is too flexible to give a ...

Whether you’re gathering graphics on Google Images, identifying ideas on Insta or pulling pictures together on Pinterest, ...

Master LEGO builder [Yoshihito Isogawa] has been on a roll lately, cranking out a number of robots that make drawings reminiscent of the classic Spirograph toy. For instance, he built an elegant ...

Over 220 primary students entered, 250 free Spirograph school bundles snapped up in 72 hours and 500 primary schools downloaded Spirograph resources! LONDON, LONDON, UNITED KINGDOM, December 18 ...

Over 220 primary students entered, 250 free Spirograph school bundles snapped up in 72 hours and 500 primary schools downloaded Spirograph resources! LONDON, LONDON, UNITED KINGDOM, December 18 ...