Mechanisms of pulse current charging for stabilizing the cycling performance of commercial NMC/graphite LIBs. (Credit: Jia Guo et al., 2024)
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/04/aenm202400190-fig-0008-m.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/04/aenm202400190-fig-0008-m.jpg?w=800">For as much capacity lithium-ion batteries have, their useful lifespan is generally measured in the hundreds of cycles. This degradation is caused by the electrodes themselves degrading, including the graphite …read more (https://hackaday.com/2024/04/16/why-pulse-current-charging-lithium-ion-batteries-extends-their-useful-lifespan/)

Linux Fu: Stupid Systemd Tricks
https://hackaday.com/2024/04/16/linux-fu-stupid-systemd-tricks/

Last time, I gave a whirlwind introduction to a very small slice of systemd. If you aren’t comfortable with systemd services, timers, and mounts, you might want to read that …read more (https://hackaday.com/2024/04/16/linux-fu-stupid-systemd-tricks/)

Fail of the Week: Can an Ultrasonic Cleaner Remove Bubbles From Resin?
https://hackaday.com/2024/04/16/fail-of-the-week-can-an-ultrasonic-cleaner-remove-bubbles-from-resin/

[Wendy] asked a very good question. Could putting liquid resin into an ultrasonic cleaner help degas it? Would it help remove bubbles, resulting in a cleaner pour and nicer end …read more (https://hackaday.com/2024/04/16/fail-of-the-week-can-an-ultrasonic-cleaner-remove-bubbles-from-resin/)

Microsoft Killed My Favorite Keyboard, And I’m Mad About It
https://hackaday.com/2024/04/16/microsoft-killed-my-favorite-keyboard-and-im-mad-about-it/

I still have my useless Microsoft Sculpt keyboard. DIY wired conversions exist. I wanna say that I’ll do that one day, but for a use with a laptop, it’s kinda too messy. Plus I always kinda hated how the wrist rest always looked dirty. Nevermind.
" data-medium-file="https://hackaday.com/wp-content/uploads/2024/04/keybo2.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/04/keybo2.jpg?w=800">As a professional writer, I rack up thousands of words a day. Too many in fact, to the point where it hurts my brain. To ease this burden, I choose …read more (https://hackaday.com/2024/04/16/microsoft-killed-my-favorite-keyboard-and-im-mad-about-it/)

The Next Evolution Of The Raspberry Pi Recovery Kit
https://hackaday.com/2024/04/16/the-next-evolution-of-the-raspberry-pi-recovery-kit/

At Hackaday, the projects we cover are generally a one-off sort of thing. Somebody makes something, they post it online, we share it with our audience — rinse and repeat. …read more (https://hackaday.com/2024/04/16/the-next-evolution-of-the-raspberry-pi-recovery-kit/)

Recycling Wires for Breadboarding
https://hackaday.com/2024/04/16/recycling-wires-for-breadboarding/

It is easy to take things for granted, but if you work with students, you realize that even something as simple as a breadboard needs explanation. [0033mer] recently shared a …read more (https://hackaday.com/2024/04/16/recycling-wires-for-breadboarding/)

More Microwave Metal Casting
https://hackaday.com/2024/04/16/more-microwave-metal-casting/

If you think you can’t do investment casting because you don’t have a safe place to melt metal, think again. Metal casting in the kitchen is possible, as demonstrated by …read more (https://hackaday.com/2024/04/16/more-microwave-metal-casting/)

Still Up and Coming: Non-Planar FDM 3D Printing With 3 or 6 Axes
https://hackaday.com/2024/04/16/still-up-and-coming-non-planar-fdm-3d-printing-with-3-or-6-axes/