Changing colors during a 3D print is notoriously difficult. Either you need multiple heads ready to go during the print which increases operating and maintenance costs for your printer, or …read more (https://hackaday.com/2021/09/28/erasable-pen-ink-adds-colors-to-3d-prints/)

Gopher, the Competing Standard to WWW in the ’90s is Still Worth Checking Out
https://hackaday.com/2021/09/28/gopher-the-competing-standard-to-www-in-the-90s-is-still-worth-checking-out/

The 30th anniversary of the World Wide Web passed earlier this year. Naturally, this milestone was met with truckloads of nerdy fanfare and pining for those simpler times. In three …read more (https://hackaday.com/2021/09/28/gopher-the-competing-standard-to-www-in-the-90s-is-still-worth-checking-out/)

Is Lab-Grown Coffee Worth a Hill of Beans?
https://hackaday.com/2021/09/28/is-lab-grown-coffee-worth-a-hill-of-beans/

Historically, coffee has needed two things to grow successfully — a decent altitude and a warm climate. Now, a group of scientists from the VTT Technical Research Centre of Finland …read more (https://hackaday.com/2021/09/28/is-lab-grown-coffee-worth-a-hill-of-beans/)

Keebin’ with Kristina: the One Where Shift Happens
https://hackaday.com/2021/09/28/keebin-with-kristina-the-one-where-shift-happens/

It’s been an exciting few weeks for me personally on the clacking front. I got a couple of new-to-me keyboards including my first one with ALPS switches, an old TI/99A …read more (https://hackaday.com/2021/09/28/keebin-with-kristina-the-one-where-shift-happens/)

Microwave Ovens: Need More Power? Use Lasers Instead!
https://hackaday.com/2021/09/28/microwave-ovens-need-more-power-use-lasers-instead/

https://www.youtube.com/watch?v=fM9hYzJnao0
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-25-at-21.35.23.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-25-at-21.35.23.png?w=800">You know how it is, you get in late from work, you’ve been stuck in traffic for what seems like an eternity, and you’re hungry. You reach for the microwave …read more (https://hackaday.com/2021/09/28/microwave-ovens-need-more-power-use-lasers-instead/)

Printed Adapter Puts Vintage Lens Back to Work
https://hackaday.com/2021/09/28/printed-adapter-puts-vintage-lens-back-to-work/

While browsing through an antiques shop, [Nick Morganti] came across a Kodak slide projector with an absolutely massive lens hanging off the front. Nearly a foot long and with a …read more (https://hackaday.com/2021/09/28/printed-adapter-puts-vintage-lens-back-to-work/)

A Coolant Leak The Likely Culprit For Aussie Tesla Battery Bank Fire
https://hackaday.com/2021/09/28/a-coolant-leak-the-likely-culprit-for-aussie-tesla-battery-bank-fire/

Followers of alternative energy technology will remember how earlier in the year a battery container at Tesla’s Megapack Australian battery grid storage plant caught fire. Lithium ion batteries are not …read more (https://hackaday.com/2021/09/28/a-coolant-leak-the-likely-culprit-for-aussie-tesla-battery-bank-fire/)

Excel Ray Tracing with Help from C
https://hackaday.com/2021/09/28/excel-ray-tracing-with-help-from-c/