Yoo ChungMath as a second languageI am reaching the tail end of reading Eugenia Cheng’s new book, Is Math Real?. It’s been an enjoyable read so far. The book reminds us that…Jan 7Jan 7
Yoo ChungCosmological distancesFrom a little tidbit by an interested informer, I got to learn about someone wondering if the measured distances of stars and galaxies are…Jan 3Jan 3
Yoo ChungSound in spaceA lot of people may not know if there is actually sound in space or not. But among those in the know, it is a common belief that there is…Jan 1Jan 1
Yoo ChungColoring a planeSkeptic’s Play has a couple of interesting geometry puzzles I’ve repeated below:Dec 24, 2023Dec 24, 2023
Yoo ChungLight: from particle to waveA number of people seem to believe that if a certain body of knowledge keeps on changing, then it must be worthless. But at least for…Dec 22, 2023Dec 22, 2023
Yoo ChungDijkstra’s algorithmAbout Dijkstra’s paper on the minimum spanning tree and shortest path problems.Dec 19, 2023Dec 19, 2023
Yoo ChungTwin paradox: the other twinIn the twin paradox, we have two twins where one remains on Earth and the other travels to a star and back near the speed of light. Because…Dec 16, 2023Dec 16, 2023
