MIT's 3D printed glass blocks for construction, a robotic knee, a lucrative side hustle, and Varma abandons human musicians

The team points to glass’ optical properties and its “infinite recyclability” as reasons for turning to the material; Also, test subjects were required to move a 30-pound kettlebell up and down a flight of stairs; a New York Times article Thursday highlighted a lucrative side hustle that is emblematic of the times we live in: gaming algorithms to earn money. In this case, folks figured out they could maximize the payout from Lyft’s Citibike “bike angels” program by taking advantage of a company algorithm used to meet its supply-and-demand needs; Indian filmmaker Ram Gopal Varma is ditching human musicians for artificial intelligence, saying he’ll use only AI-generated tunes in future projects, a move that underscores AI’s growing reach in creative industries; Cruise is returning to the streets of Sunnyvale and Mountain View for the first time since it paused operations in the Bay Area after a robotaxi struck a pedestrian in October 2023. The company said Thursday that it will put “several” vehicles driven by humans in the two cities that will initially perform mapping.

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