Recent submissions

Comment · 1 year ago
Beyond regulating brightness, 4 US states ban billboards entirely. (Hawaii, Alaska, Vermont, & Maine)
Comment · 1 year ago
While a bee stinger may get stuck in you, that's not so when stinging fellow insects.

The barbs don't catch on an exoskeleton like they do for thick and elastic mammalian skin.

An elegant way to deliver more venom to larger targets.

Comment · 2 years ago
Tungsten carbide jewelry is a mixture of tungsten carbide powder and a metal binder, typically cobalt or nickel. The metal binder is electrically conductive and thus susceptible to the induction heating you felt.
Comment · 3 years ago
It's more than just the chain length. The most common synthetic rubbers are styrene-butadiene copolymers. Natural rubber is polyisoprene. While it is true that shorter chain synthetic polyisoprene is available, it is a much smaller part of the market than styrene-butadiene.
Comment · 3 years ago
Surely the process of using fingers to measure discrete pulses is digital.
Comment · 3 years ago
Ethane (R-170) is a fine low-temperature refrigerant for lab equipment. The performance characteristics are at least as good as halocarbon refrigerants. The main drawback is flammability but propane has a similar concern and is already widely used in residential refrigerators and similar size systems.
Comment · 3 years ago
This is largely a story about excessive copyright duration. The casting requirement for this 70 year old play is based on legal threats by the estate of the author who died over 30 years ago.
Comment · 3 years ago
A correction. The Kudo et al., 2002 study found that estradiol lowered the filtration rate in ovariectomised rats. But supplemental estradiol did improve the clearance rate for intact male rats.
Comment · 3 years ago
Comment · 4 years ago
Comment · 4 years ago
Comment · 4 years ago
Most of evolution is repurposing existing infrastructure for different purposes; The details are still interesting.
Comment · 4 years ago
I had someone try the same grift to me in NYC but they went for my decoy pocket that only had used tissues.
Comment · 4 years ago
Plenty of fiberglass uses polyester resin rather than epoxy.
Comment · 4 years ago

Live from the official Hacker News API

A modern reader for Hacker News · SvelteKit + Skeleton