#StrangeParts video about #manufacturing "eufy Make" is on #Nebula as well as YouTube
#video #toread by #Breaking-Taps on laser scanning #microscopy
#video #toread on #DIY fluidized-bed powder coating #manufacturing
#video of #TheBackyardScientist cutting down trees with a laser rust cleaner. Also welding, cutting metal, vaporizing a hole through a brick, and removing the ink from a dollar bill.
#video of wind tunnel tests for falling coins to estimate the risk of Australian terrorists throwing coins at Americans off the tops of skyscrapers. Shows his really tiny pianist. Instead of using ballistic gelatin, he buys a pig head to slingshot coins at, then throws coins off the top of a dam.
#BLEU “Bilingual Evaluation Understudy” #similarity-metrics
deeper explanation of #similarity-metrics. “Invented at IBM in 2001, #BLEU was one of the first metrics to claim a high correlation with human judgements of quality,[2][3] and remains one of the most popular automated and inexpensive metrics.”
fares paid for less than half of net cost per boarding in the San Francisco Bay Area public transit agencies in 02015, but it varied a lot by operator, from 12% for the VTA to 80% for BART. #transportation
Brad Templeton’s page showing that public transit is often not very energy-efficient at all. #transportation