BillTre's latest activity

Will wonders never cease? Someone built a LEGO version (if only the Greeks had invented LEGO first):

and these videos showing the gears in motion:

I couldn't resist: A snapshot of Kirk and Spock on a planet wearing togas, with Spock checking the device for the next lunar/solar...

There were some interesting gears in the device. In particular, one gear slipped back and forth to handle the lunar anomaly. Gears were...

Noooo. The 1972 pic was taken of the sunward side of the Earth - almost full sun. The 2026 pic was taken of the Earth's night side -...

The man who saw the first atomic bomb @sbrothy mentioned this story in another thread so expand on the details here. Richard Feynman...

The Antikythera Mechanism is a complex clockwork-like gear mechanism found in a ship wreck off Greece from 100-200 BC. People have been...

I went out the other day with a 40mm lens and the Jupiter-37A 135mm, but ended up shooting mostly with the 135mm, because it's so much...

I walked by a store window where I saw this bag, so I took a shot of it:

There must have been some physics here. @berkeman - have you ever seen one like this? Motorcyclist seriously injured after crash...

Enough. If they are desiccated and distributed in the HVAC system. But there's little point in speculation. There are several good...

Astrophysics is on a quest to discover if Earth is a cosmic rarity or just one of many "Goldilocks" worlds. Much of this hope rests on...

What i miss state side: Getty images Arizonaq

Commencement at the college is tomorrow, oops, today. I walked past the site as it was being prepared a couple of days ago. The...

arXiv: History and Philosophy of Physics (physics.hist-ph); Popular Physics (physics.pop-ph) Conrad Habicht 1914 Manuscript on Special...