Erik Bernhardsson    About

Fun with trigonometry — the world's most twisted coastline

I just spent a few days in Italy, on the Ligurian coast. Even though we were on the west side of Italy, the Mediterranean sea was to the east, because the house was situated on a long bay. But zooming in even more, there were parts of th...

Optimizing for iteration speed

I’ve written before about the importance of iterating quickly but I didn’t necessarily talk about some concrete things you can do. When I’ve built up the tech team at Better, I’ve intentionally optimized for fast iteration speed above ...

Blogroll

Remember when everyone had a really ugly blog with a blogroll? Anyway, just think the word is funny. I follow a few hundred blogs using Feedly and Reeder and have been reading a few hundred thousand blog posts over the last 10 years. He...

The mathematical principles of management

I’ve read about 100 management books by now but if there’s something that always bothered me it’s the lack of first principles thinking. Basically it’s a ton of heuristics. And heuristics are great, but when you present heuristics as tru...

Why I went into the mortgage industry

I just realized last Thursday that I have spent two full years at Better, incidentally on the same day as we announced a $15M round led by Kleiner Perkins. So it was a good point to reflect a bit and think back — what the F led me to aba...