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2021
819

The Breeder's Equation

R is the response to selection, S is the selection differential, and h 2 is the narrow-sense heritability. This is the workhorse equation for quantitative genetics. The selective differential S, is the difference between the population average and the average of the parental population (some subset of the total…

838

Show HN: Long Range E-Bike

Electric cars are fantastic compared to ICE vehicles, but E-Bikes are even better. Much lower environmental impact and far more suited to medium range travel such as commuting. Here in NL they sell in huge numbers, far faster than electric cars. But they also have their limitations: a regular e-bike tops out at 25…

840

Spotify Codes – Part 2

In part 1 I dove into Spotify Codes and explained the general technical concepts of how they work. If you haven’t read that post you should check it out. I shared it on reddit where it generated a lot of interesting discussion. Ludvig Strigeus, a key early developer at Spotify and the person who invented Spotify…