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June 19, 2021 Archives
Saturday, June 19, 2021
TRACKING WITH CLOSEUPS: Adam Frank: Searching for Alien Technosignatures
Posted at
15:45
CONTEXT: A Year with Spot
Sell, Spot, sell!
Posted at
11:58
CONTINUITY: What Became of Apollos 2 and 3?
Posted at
11:50
THE HAPPENING WORLD: Active Ball Joint Mechanism
この間話題になった山形大の球面歯車（関節）、動画見つけたので編集した。
— NITTA, katsuyoshi（新田 勝貴） (@read_me) June 17, 2021
出典 https://t.co/TBY8CEJBXQ pic.twitter.com/BwDDy7vd8U
Here is the full paper, “ABENICS: Active Ball Joint Mechanism With Three-DoF Based on Spherical Gear Meshings” [PDF].
Posted at
10:37