Blocks of graphite are heated to 2,500 C to serve as the storage medium.
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/12/Screenshot-2023-12-29-195610.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/12/Screenshot-2023-12-29-195610.png?w=800">Once expensive and difficult to implement, renewable energy solutions like wind and solar are now often the cheapest options available for generating electricity for the grid. However, there are still …read more (https://hackaday.com/2024/01/08/liquid-tin-could-be-the-key-to-cheap-plentiful-grid-storage/)

Make Your Own Play Station (The Space Is Important)
https://hackaday.com/2024/01/08/make-your-own-play-station-the-space-is-important/

The early history of the Sony Playstation lies in a stillborn collaboration between Nintendo and Sony to produce an SNES with a CD-ROM drive. So the story goes, Nintendo’s Philips …read more (https://hackaday.com/2024/01/08/make-your-own-play-station-the-space-is-important/)

There Are Stradi-various Ways to Make a Violin, and This Is One
https://hackaday.com/2024/01/08/there-are-stradi-various-ways-to-make-a-violin-and-this-is-one/

We’ve always said that if we had enough money, we’d have a large room that housed every musical instrument we’ve ever been even mildly interested in. While that dream may …read more (https://hackaday.com/2024/01/08/there-are-stradi-various-ways-to-make-a-violin-and-this-is-one/)

Darkroom Robot Automates Away the Tedium of Film Developing
https://hackaday.com/2024/01/08/darkroom-robot-automates-away-the-tedium-of-film-developing/

Anyone who has ever processed real analog film in a darkroom probably remembers two things: the awkward fumbling in absolute darkness while trying to get the film loaded into the …read more (https://hackaday.com/2024/01/08/darkroom-robot-automates-away-the-tedium-of-film-developing/)

Putting the C in C64
https://hackaday.com/2024/01/08/putting-the-c-in-c64/

Older CPUs and some fairly modern microcontrollers are not made to readily support C compilers. Among those are the 1802, some 8-bit PICs, and the 6502 at the heart of …read more (https://hackaday.com/2024/01/08/putting-the-c-in-c64/)

A Picture Frame for Your Eyes Only
https://hackaday.com/2024/01/08/a-picture-frame-for-your-eyes-only/

We can think of all kinds of reasons you’d want to display a picture that only you and the family can see, and we don’t even have to work blue …read more (https://hackaday.com/2024/01/08/a-picture-frame-for-your-eyes-only/)

Another Tesla Coil Starts
https://hackaday.com/2024/01/08/another-tesla-coil-starts/

Everyone interested in electronics should build at least one Tesla coil. But be careful. Sure, the high voltage can be dangerous, but the urge to build lots of coils is …read more (https://hackaday.com/2024/01/08/another-tesla-coil-starts/)

How to Refrigerate With Urine
https://hackaday.com/2024/01/09/how-to-refrigerate-with-urine/