Its maker, [Mike] from Chronova Engineering, says it measures about 20 mm across and qualifies as the smallest orrery around ... is absolutely entrancing to watch. There are some neat tricks ...

What in the heck is an Orrery? If you’re looking at the image above we’re sure you’ve already figured it out (kudos to the big brains that knew the word). For those that don’t get it ...

[Oobject] The Richard Mille Tellurium-Planetarium, which took the legendary watch maker 10 years to make. [Oobject] The Glikerson Orrery is from the early 19th century and features the recently ...