Topics /

Science & Space

The most popular blog posts about science & space on Hacker News. 2,038 posts.

Any year
304

Thorium Reactors

My last article about thorium as an alternative nuclear reactor fuel drew way more readers than I expected. I intentionally glossed over the complexities of specific reactor designs for the sake of simplicity, but in this article I want to go deeper. This article explains some of the differences between traditional…

312

What happens when a reservoir goes dry

[Note that this article is a transcript of the video embedded above.] In June of 2022, the level in Lake Mead, the largest water reservoir in the United States formed by the Hoover Dam, reached yet another all-time low of 175 feet or 53 meters below full, a level that hasn’t been seen since the la

316

Color blindness

Color blindness is an inaccurate term. Most color-blind people can see color, they just don't see the same colors as everyone else. There ha...

319

Eldar Black Holes

Isaac Asimov, in one of the anthologies he edited, mentioned reading some astronomical news back in the early 1960s about neutron stars. Being a science popularizer as well as a science fiction author, he was inspired to write a science essay about neutron stars. This was read by a few people but then more or less…

321

Optimal Peanut Butter and Banana Sandwiches

I was personally useless for most of the Spring of 2020. There was a period of time, though, after the peak in coronavirus cases here in NYC and before the onslaught of police violence here in NYC that I managed to scrounge up the motivation to do something other than drink and maniacally refresh my Twitter feed. I…

329

Six Math Essentials

Just a brief announcement that I have been working with Quanta Books to publish a short book in popular mathematics entitled “Six Math Essentials”, which will cover six of the fundament…