under the microscope

Researchers break the 30% barrier in solar cells.

“[Researchers] in the Netherlands came together to create a four-terminal perovskite/silicon tandem device. A tandem device can better use solar spectrum since it uses a mix of silicon-based solar cells with perovskite-based solar cells.” | learn more

tech, startups, internet

What I’ve learned from users.

This Paul Graham essay is partly him patting himself on the back for YC’s success. But it’s also partly a window into the recurring problems that founders face and the way his team tries to help. | learn more

oh, Austin

Autonomous robotaxis in Austin.

I’m planning to try this next time I need a ride somewhere. “Users can hail an autonomous ride using the Lyft app, similarly to how they would hail a regular Lyft car. Prices for the rides will also be the […]

fun facts

How does a QR code work?

It starts with the cube shapes in the corner, called Finder Patterns. The most interesting part to me is the mask, of which there are 8 standard patterns. | learn more

fun facts

The secret history of 7 common words.

Y’all know I love etymology. This article helped me connect an old Russian-language insult back to English (via Greek). “Everyday words often hide histories revealing a time when people’s views of the world, the cosmos, and each other were profoundly […]