Kelsey Houston-Edwards
LightNews LightNews
kelseyahe.bsky.social
Kelsey Houston-Edwards
@kelseyahe.bsky.social
140 followers 51 following 4 posts
math + writing + videos

www.youtube.com/@chalktalkmath
www.kelseyhoustonedwards.com
Posts Replies Media Videos
kelseyahe.bsky.social
Teddy was a friend in my graduate program.

US policies and infrastructure consistently prioritize cars over cyclists and pedestrians. It's enraging. And very sad.

tinyurl.com/3um2c44v
Teddy Einstein, a West Philly mathematician, was about to hit his stride. Then he was killed while riding his bike.
Teddy Einstein finished major research and would start a new job before he was killed earlier this month by a driver in Upper Darby. His family and friends remember the "brilliant" mathematician.
tinyurl.com
December 30, 2025 at 10:09 AM
kelseyahe.bsky.social
Outtake from latest video
September 2, 2025 at 10:13 AM
kelseyahe.bsky.social
You might have heard that something is as difficult as finding a needle in a haystack. But mathematicians struggle to find hay in a haystack.

New video:
youtu.be/4weMmFZSBtI
The Difficulties of Finding "Hay in a Haystack" | Everywhere but Nowhere
YouTube video by Chalk Talk
youtu.be
March 22, 2025 at 7:18 PM
Reposted by Kelsey Houston-Edwards
chubicki.bsky.social
This is a great and concise introduction to popular paradoxes by @kelseyahe.bsky.social. I didn’t know about several of these.

youtu.be/1vJsWKg2o1w?...
Ranking Paradoxes, From Least to Most Paradoxical
YouTube video by Chalk Talk
youtu.be
February 1, 2025 at 1:36 PM