barnabas_truman: (dwarf)
Just spent a decent chunk of office hours playing with Lego gears... and using them to explain important principles of mechanics to some physics students. I love my job.
barnabas_truman: (dwarf)
My Lego order came in!

But this time, instead of building the usual castles or spaceships or flying motorcycles or whatever, I put together a gear train that significantly steps up (or steps down) the applied rotational speed.

Then I took it apart and built a lost desert temple.
barnabas_truman: (dwarf)
The worst thing about modern Lego:
all the great old sets are out of print, and the new sets tend to emphasize "build this licensed character" instead of "build whatever you want."

The best thing about modern Lego:
it doesn't matter because you can design your own sets!

I've ordered a bunch of old-style Technic pieces so I can build scaffolding for the example circuits I'll be building for my physics workshops.


NOTE TO SELF: 8074 Universal Building Set should be in parents' garage somewhere.

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