VP for Research & Scholarship @LindaHall_org; Author of The TVs of Tomorrow-How RCA's Flat-Screen Dreams Led to the First LCDs (Chicago 2018) All tweets my own.
That reminded me that I haven't had a chance to share some of the highlights from @LindaHall_org's latest exhibition: The #Standards That Built America!
Time for a 🧵! (1/8) #histSTM#STS
Curated by reference assistant David Crawford, this exhibition showcases a few of the 100,000+ industrial #standards in LHL's stacks.
Many of these standards were once part of the Engineering Societies Library & are hard to find anywhere else! (2/8)
A few additional thoughts: The movie makes it very clear that the #CurrentWar was between Edison & Westinghouse.
Yes, Tesla is there too (more on him in a moment), but the system-builders (cf. Hughes) are front and center.
(2/17)
Apr 30, 2019 • 24 tweets • 8 min read
Next Stern points out flaws w/@IAU_org definition of "planet." He notes that the IAU is made up primarily of stellar astronomers, and their definition does not reflect expertise of planetary scientists. (Again: key themes-disciplinary divisions, challenges of forming consensus)
Stern also notes that another rationale for the IAU definition of planet was limiting the number of planets for convenience. Suggests that this is a foolish rationale by pointing out what the IAU's periodic table might look like...