Lithium rechargeable batteries have been heralded for their high-density energy storage, enabling all manner of technologies to come to fruition. From drones to practical electric cars to large-scale grid storage, …read more (https://hackaday.com/2021/08/12/teslas-megapack-battery-burned-for-days-in-grid-storage-fire/)

A Digital White Cane for the Visually Impaired
https://hackaday.com/2021/08/12/a-digital-white-cane-for-the-visually-impaired/

The white cane (and its many variants) is an everyday carry for many visually impaired people. This low-tech tool allows those afflicted by visual impairment to safely navigate the world …read more (https://hackaday.com/2021/08/12/a-digital-white-cane-for-the-visually-impaired/)

Incredibly Slow Films, Now Playing in Dazzling Color
https://hackaday.com/2021/08/12/incredibly-slow-films-now-playing-in-dazzling-color/

Back in 2018 we covered a project that would break a video down into its individual frames and slowly cycle through them on an e-paper screen. With a new image …read more (https://hackaday.com/2021/08/12/incredibly-slow-films-now-playing-in-dazzling-color/)

How to Make Resin Prints Crystal Clear
https://hackaday.com/2021/08/12/how-to-make-resin-prints-crystal-clear/

[Matou] has always been entranced by the beauty of natural crystal formations [and has long wished for a glowing crystal pendant]. Once he got a resin-based 3D printer, he was …read more (https://hackaday.com/2021/08/12/how-to-make-resin-prints-crystal-clear/)

Arduino Finds Treasure
https://hackaday.com/2021/08/12/arduino-finds-treasure/

A beach is always a relaxing summer vacation destination, a great place to hang out with a drink and a book or take a swim in the ocean. For those …read more (https://hackaday.com/2021/08/12/arduino-finds-treasure/)

Virtual Racers Battle it Out on Portable WS2812 Track
https://hackaday.com/2021/08/12/virtual-racers-battle-it-out-on-portable-ws2812-track/

Sure modern video games are impressive, but you certainly don’t need a 4K display or high speed Internet connection to have a good time. For a perfect example, that a …read more (https://hackaday.com/2021/08/12/virtual-racers-battle-it-out-on-portable-ws2812-track/)

No Hole in One: Perseverance Strikes Out on First Mars Core Attempt
https://hackaday.com/2021/08/13/no-hole-in-one-perseverance-strikes-out-on-first-mars-core-attempt/

There’s a military adage that no plan survives first contact with the enemy. While we haven’t gone to war with Mars, at least not yet, it does seem to be …read more (https://hackaday.com/2021/08/13/no-hole-in-one-perseverance-strikes-out-on-first-mars-core-attempt/)