Tim Chartier
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timchartier.bsky.social
Tim Chartier
@timchartier.bsky.social
husband, father, friend, Joseph R. Morton Professor of Math & CS at @DavidsonCollege, sports analyst, professionally trained mime, puppeteer
Reposted by Tim Chartier
A new version of z = -(1-x^2)(1-y^2), with most of the struts parallel rather than the two families split equally.

#MathSky #MathArt
October 30, 2025 at 10:05 PM
Math's reset button for rotations....
Mathematicians Just Found a Hidden 'Reset Button' That Can Undo Any Rotation
A simple scaling trick can rewind even the most tangled motion back to its start.
www.zmescience.com
October 20, 2025 at 6:28 PM
Reposted by Tim Chartier
October 12, 2025 at 11:45 AM
I love fall. #photography
October 2, 2025 at 10:47 PM
When I see a .1% chance of a comeback with under two minutes left in the game, I try to think of the type of circumstances that make up that .1% probability. Suggestions?
September 28, 2025 at 8:36 PM
Simply stunning. A bee traversing a spiral? #photography
September 22, 2025 at 12:22 PM
Magical one point perspective. A fairy ring in the redwoods. #photography
September 20, 2025 at 5:13 PM
When rowboats dream, they rest on land. #Photography
September 20, 2025 at 12:45 PM
Puppet oversight. #photography
September 19, 2025 at 8:28 PM
Reposted by Tim Chartier
perfect wallet
September 19, 2025 at 6:35 AM
A quiet reminder that every wave leaves its mark, then makes space for the next. #photography
September 19, 2025 at 1:29 PM
Whenever I see this hand, I think of the end product of working out a complicated math problem.
September 19, 2025 at 12:58 AM
An ode to pi? The symbol, a sphere and portions of pi on Santa Cruz Wharf. #photography
September 19, 2025 at 12:40 AM
Walking through the redwoods of UC Santa Cruz. #photography
September 18, 2025 at 8:33 PM
When the recycling bin is bigger than the landfill bin, it’s more than just design — it’s a reflection of how we value sustainable waste management.
September 18, 2025 at 2:55 PM
Nature’s topology #Photography
September 18, 2025 at 12:45 PM
Fibonacci beauty #photography
September 17, 2025 at 5:11 PM
Reposted by Tim Chartier
Colbert quoting Prince to end his speech was perfect.

"If the elevator tries to bring you down, go crazy, and punch a higher floor."

#Emmys
September 15, 2025 at 2:43 AM
Enlarging, rotating squares into nothingness. #MathArt l
September 14, 2025 at 12:26 PM
Reposted by Tim Chartier
September 14, 2025 at 12:00 AM
Reposted by Tim Chartier
The Bahá’í Temple of South America, designed by Hariri Pontarini Architects, is a serene and sculptural expression of unity.
September 13, 2025 at 10:05 AM
Math behind Mario? Here is Desmos of a walking Mario. www.desmos.com/calculator/k...
September 13, 2025 at 12:13 PM
Some of this week’s mathy art.
September 12, 2025 at 8:39 PM
This morning’s welcome. #photography
September 12, 2025 at 12:34 PM