Sales of electric vehicles continue to climb, topping three million cars worldwide last year. All these electric cars need batteries, of course, which means demand for rechargeable cells is through …read more (https://hackaday.com/2021/12/01/ask-hackaday-why-dont-automakers-make-their-own-ev-batteries/)

3D Printed Generator Build Highlights The Scientific Method
https://hackaday.com/2021/12/01/3d-printed-generator-build-highlights-the-scientific-method/

Sometimes we build to innovate, and sometimes we build just to have the satisfaction of saying we made it ourselves. Yet there is another reason to construct something ourselves: To …read more (https://hackaday.com/2021/12/01/3d-printed-generator-build-highlights-the-scientific-method/)

The 555 Timer Contest Returns!
https://hackaday.com/2021/12/01/the-555-timer-contest-returns/

It’s back! The 555 timer contest wants to see you do something cool with the 555 timer chip. At stake is the adulation of electronics geeks everywhere. Three top winners …read more (https://hackaday.com/2021/12/01/the-555-timer-contest-returns/)

The Medieval History Of Your Favourite Dev Board
https://hackaday.com/2021/12/01/the-medieval-history-of-your-favourite-dev-board/

File source: https://commons.wikimedia.org/wiki/File:Arduino_Mega_2560.jpg
" data-medium-file="https://hackaday.com/wp-content/uploads/2021/11/arduin-of-ivrea-featured.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/11/arduin-of-ivrea-featured.jpg?w=800">It’s become something of a trope in our community, that the simplest way to bestow a level of automation or smarts to a project is to reach for an Arduino. …read more (https://hackaday.com/2021/12/01/the-medieval-history-of-your-favourite-dev-board/)

Supersonic Projectile Exceeds Engineers Dreams: The Supersonic Trebuchet
https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/

Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest …read more (https://hackaday.com/2021/12/01/supersonic-projectile-exceeds-engineers-dreams-the-supersonic-trebuchet/)

Remembering Sanjay Mortimer, Pioneer and Visionary in 3D Printing
https://hackaday.com/2021/12/01/remembering-sanjay-mortimer-pioneer-and-visionary-in-3d-printing/

Over the weekend, Sanjay Mortimer passed away. This is a tremendous blow to the many people who he touched directly and indirectly throughout his life. We will remember Sanjay as …read more (https://hackaday.com/2021/12/01/remembering-sanjay-mortimer-pioneer-and-visionary-in-3d-printing/)

SuperCapacitors vs Batteries Again
https://hackaday.com/2021/12/01/supercapacitors-vs-batteries-again/

https://www.youtube.com/watch?v=Orf9segRLv0
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-30-at-17.58.33-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/11/Snap-2021-11-30-at-17.58.33-featured.png?w=800">Supercapacitors are definitely not the same as batteries, we all know that. They tend to have a very low operating voltage, and due to their operating principle of storing charge …read more (https://hackaday.com/2021/12/01/supercapacitors-vs-batteries-again/)