Historian; writing on cement and its role in co-creating life in the U.S. by making the environments of prisons, sidewalks, & basements; developing publicly available curriculum for Yale Environmental Humanities; love being outdoors; he/him/Dadahttps://bsky.app/profile/kelsass.bsky.socialhttps://bsky.app/profile/kelsass.bsky.social/post/3mjfi4mb3l22bIt is insane that you have to spend money to get the money that the gov't already knows it owes you. And Republicans nipped the bud of an effective IRS free file system.13 Apr 2026 18:19 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mjfi4mb3l22bhttps://bsky.app/profile/kelsass.bsky.social/post/3miyswok5rc2aI'm so wary of lionizing individuals, esp. men. But this is so beautiful. Look how much it means to these people that he's staying grounded, accessible, and displaying genuine interest in others. [contains quote post or other embedded content]08 Apr 2026 17:28 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3miyswok5rc2ahttps://bsky.app/profile/kelsass.bsky.social/post/3miyrqvg76s2a1927 photo of figures and activities in the New Haven Gas Light Company's Home Economics Department (!!!). As they moved beyond lighting, the gas company dove into gendered domesticity in order to establish their product as a safe and clean energy source. found at New Haven Free Public Library08 Apr 2026 17:07 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3miyrqvg76s2ahttps://bsky.app/profile/kelsass.bsky.social/post/3mhqymfbxds25Pretty solid evidence that Republicans should stop blocking the proposals that fund TSA but not ICE. [contains quote post or other embedded content]23 Mar 2026 21:23 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mhqymfbxds25https://bsky.app/profile/kelsass.bsky.social/post/3mhqlu67mgk2uI've stopped using ordinal numbers for centuries in my K-12 curriculum materials. I only do 1800s, early 1900s, etc. I can think of cases where ordinals are helpful, but I think more often they're unnecessary and potentially confusing. Am I a heretic?23 Mar 2026 17:35 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mhqlu67mgk2uhttps://bsky.app/profile/kelsass.bsky.social/post/3mhqjeq3tjk26En route to ASEH Kansas City via plane-train combo. The transition in Chicago allowed me to advertise upcoming Life After Cars shows! @aseh.bsky.social @thewaroncars.bsky.social23 Mar 2026 16:50 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mhqjeq3tjk26https://bsky.app/profile/kelsass.bsky.social/post/3mhbhz3f5ks27Super Basic AI Regulation Suggestion: Software must reject any prompt to "write like a high school student" or similar.17 Mar 2026 17:16 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mhbhz3f5ks27https://bsky.app/profile/kelsass.bsky.social/post/3mh6uyjpmc22dI was 10 when this came out. The first I saw it was ~5 years later, one year post-9/11. People were accepting Iraq as a foregone conclusion. The NSA monologue explained US foreign policy so well that I memorized it. My high school self would be literally pulling his hair out today. https://youtu.be/tH0bTpwQL7U?si=sTEMFhgB3neSfr9U&t=4516 Mar 2026 16:30 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mh6uyjpmc22dhttps://bsky.app/profile/kelsass.bsky.social/post/3mh2snsrx6k2nIn lighter news, our kids have been using too much toilet paper, threatening functionality of our home's only unit. So now the roll is hidden and atop the tank my partner has placed a stack of pre-torn lengths to be used one at a time.15 Mar 2026 01:38 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mh2snsrx6k2nhttps://bsky.app/profile/kelsass.bsky.social/post/3mgqo6ovzsk27Shout out to my public library for spotlighting Ramadan children's books in this time of peaking Islamophobia. The one we checked out is about rabab music and had a QR code to this stunning music video. @nhfpl.bsky.social https://youtu.be/Vm-VxDatv6Y?si=gynuI3En0csAriRK11 Mar 2026 00:51 +0000at://did:plc:63oe26flteplirwzamsjl7e4/app.bsky.feed.post/3mgqo6ovzsk27