David Easdown
@davideasdown.bsky.social
Instructor/designer online maths courses, works at USyd
Spiral ramp (helicoid) made from wire and soap film
December 3, 2025 at 9:42 AM
Spiral ramp (helicoid) made from wire and soap film
Soap films with lines of intersection in space. Wire model is rough and ready (no use of AI) but let physics and maths perform its magic!
December 3, 2025 at 9:29 AM
Soap films with lines of intersection in space. Wire model is rough and ready (no use of AI) but let physics and maths perform its magic!
Where were you when Whitlam was dismissed? Fifty years ago, to the hour, I was having a piano lesson in Manuka (old CSM) and my teacher's husband interrupted to say that Whitlam has been sacked. I quickly went across to parliament house, a short bicycle ride away, and got caught up in this crowd 1/2
November 11, 2025 at 4:43 AM
Where were you when Whitlam was dismissed? Fifty years ago, to the hour, I was having a piano lesson in Manuka (old CSM) and my teacher's husband interrupted to say that Whitlam has been sacked. I quickly went across to parliament house, a short bicycle ride away, and got caught up in this crowd 1/2
Bird of the year at Bennelong Park
November 1, 2025 at 12:29 AM
Bird of the year at Bennelong Park
Spirit of Bennelong
November 1, 2025 at 12:18 AM
Spirit of Bennelong
Catacombs (just kidding!), underneath bridge over Lake Benalla
July 6, 2025 at 9:23 AM
Catacombs (just kidding!), underneath bridge over Lake Benalla
Appropriate word for how one feels about US now
April 4, 2025 at 9:36 PM
Appropriate word for how one feels about US now
