Iron Nitrides: Powerful Magnets Without the Rare Earth Elements
https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/

Since their relatively recent appearance on the commercial scene, rare-earth magnets have made quite a splash in the public imagination. The amount of magnetic energy packed into these tiny, shiny …read more (https://hackaday.com/2022/09/01/iron-nitrides-powerful-magnets-without-the-rare-earth-elements/)

It’s a Plane… It’s a Train… Um… It’s Both?
https://hackaday.com/2022/09/01/its-a-plane-its-a-train-um-its-both/

What kind of electric vehicle travels at 620 miles per hour (998 km/h)? According to Canadian and French company TransPot, their FluxJet will do it and they want to use …read more (https://hackaday.com/2022/09/01/its-a-plane-its-a-train-um-its-both/)

Cogeneration And District Heating For Comfortable Homes And Happy Factories
https://hackaday.com/2022/09/01/cogeneration-and-district-heating-for-comfortable-homes-and-happy-factories/

The Akademik Lomonosov floating nuclear power plant, moored at Pevek, Russia. It provides power and heat to the isolated community.
" data-medium-file="https://hackaday.com/wp-content/uploads/2022/08/Akademik_Lomonosov_FNPP_at_Pevek.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/08/Akademik_Lomonosov_FNPP_at_Pevek.jpg?w=700">Most of modern society’s energy usage is spent on heating in some form, whether it is to heat water, raise the temperature in a room, or for use in industrial …read more (https://hackaday.com/2022/09/01/cogeneration-and-district-heating-for-comfortable-homes-and-happy-factories/)

Hackaday Prize 2022: A Spring-Driven Digital Movie Camera
https://hackaday.com/2022/09/01/hackaday-prize-2022-a-spring-driven-digital-movie-camera/

These days, most of us are carrying capable smartphones with high-quality cameras. It makes shooting video so easy as to take all the fun out of it. [AIRPOCKET] decided to …read more (https://hackaday.com/2022/09/01/hackaday-prize-2022-a-spring-driven-digital-movie-camera/)

Powering a Cellphone With Gasoline
https://hackaday.com/2022/09/01/powering-a-cellphone-with-gasoline/

Batteries are a really useful way to store energy, but their energy density in regards to both weight and volume is disappointing. In these regards, they really can’t compete with …read more (https://hackaday.com/2022/09/01/powering-a-cellphone-with-gasoline/)

Small Engine Failure Leads to Impromptu Teardown
https://hackaday.com/2022/09/01/small-engine-failure-leads-to-impromptu-teardown/

When the 6.5 HP (212 cc) Harbor Freight Predator engine in his kid’s go-kart gave up the ghost after some particularly hard driving, [HowToLou] figured it would be a good …read more (https://hackaday.com/2022/09/01/small-engine-failure-leads-to-impromptu-teardown/)

A Liquid Metal Fountain That Works at Room Temperature
https://hackaday.com/2022/09/01/a-liquid-metal-fountain-that-works-at-room-temperature/