Jollywatt blog ⊕ portfolio
Interactive things
January
9th,
2023
Daylight Hours: A spherical geometry problem
How many hours are there between sunrise and sunset? The Earth’s tilt makes this a fun geometry problem… Read more
November
11th,
2022
Billiard geometry: Visually solving elastic collisions
A neat relationship between elastic collisions and ellipses. Read more
August
16th,
2021
Timeline of Scientists
Interactive timeline of famous scientists throughout history, using Wikidata. Read more
July
9th,
2021
Mathematical One-liners
A collection of succinct but wonderfully satisfying mathematical results. Read more
March
17th,
2020
The Many Faces of Stokes’ Theorem
Interactively tabulate the special cases of Stokes’ theorem, \( \int_Ω \dd ω = \int_{∂Ω} ω \). Read more