tech, startups, internet

The Al energy bottleneck, with Tim Fist.

The Al energy bottleneck, with Tim Fist. This is a fantastically detailed podcast conversation. “Building new transmission lines permitting for that is an absolute nightmare.” The episode gets very concrete about why AI scaling runs into boring physical constraints like […]

tech, startups, internet

The output is the watermark.

The output is the watermark. The text that your Claude AI agent spits out has a hidden watermark, but it’s not added to the output. Instead, “the watermark is baked into the token selection itself!” It uses “key/context-derived sampling” so […]

fun facts

The professor who taught people how to think

The professor who taught people how to think “Professor Julius Sumner Miller finds pure joy in the ordinary world and cannot rest until you feel it too,” says the description of this restored 1962 episode of *Why Is It So?* […]

thoughts of food

DoorDash gets permission to run an airline.

DoorDash gets permission to run an airline. “For us it’s not just about building the drone, it’s just as much about running the airline: the routing, the safety systems, the operational layer that makes everything fly smoothly.” DoorDash says it […]

under the microscope

A selective PFAS binder from oats.

A selective PFAS binder from oats. “NeutraOat is a modified form of oat fiber (β-glucan) that binds PFAS in your gut before they get reabsorbed.” Grain Labs is recruiting 15 adults with elevated PFOS for a 12-week at-home pilot with […]

under the microscope

Program ions like software.

Program ions like software. “Our method replaces that physical solution switching with rapid changes in the electrical circuit, allowing ions to move continuously in one direction through the system.” The researchers say electrochemical ion pumping can desalinate salty industrial wastewater […]

under the microscope

Sugar substitutes and brain aging.

Sugar substitutes and brain aging. “People who consumed the greatest amounts of sweeteners experienced a 62% faster decline in overall thinking and memory abilities than those who consumed the least.” The study tracked self-reported diet questionnaires from 12,772 adults for […]