The toroidal propeller’s details in the CAD software. (Credit: rctestflight))
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/06/boat_propeller_toroidal_design_rctestflight.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/06/boat_propeller_toroidal_design_rctestflight.png?w=800">As boring as propeller designs may seem to the average person, occasionally there’s a bit of a dust-up in the media about a ‘new’ design that promises at least a …read more (https://hackaday.com/2023/07/02/testing-futuristic-propeller-designs-with-a-3d-printer-and-a-solar-powered-boat/)

Put More Power In Your Dental Hygiene Routine!
https://hackaday.com/2023/07/02/put-more-power-in-your-dental-hygiene-routine/

What do you do, when you move into a shared apartment and find only one socket is available among four electric toothbrushes? Revert to an old-style manual brush? If you’re …read more (https://hackaday.com/2023/07/02/put-more-power-in-your-dental-hygiene-routine/)

Computer Speed Gains Erased By Modern Software
https://hackaday.com/2023/07/02/computer-speed-gains-erased-by-modern-software/

[Julio] has an older computer sitting on a desk, and recorded a quick video with it showing how fast this computer can do seemingly simple things, like open default Windows …read more (https://hackaday.com/2023/07/02/computer-speed-gains-erased-by-modern-software/)

Pill Bugs and Chitons Get Jobs as Tiny Grippers
https://hackaday.com/2023/07/02/pill-bugs-and-chitons-get-jobs-as-tiny-grippers/

A research paper titled Biological Organisms as End Effectors explores the oddball approach of giving small animals jobs as grippers at the end of a robotic arm. Researchers show that …read more (https://hackaday.com/2023/07/02/pill-bugs-and-chitons-get-jobs-as-tiny-grippers/)

Saying Goodbye to Don Lancaster
https://hackaday.com/2023/07/02/saying-goodbye-to-don-lancaster/

The electronics world has lost a guru. On June 7th this year, [Don Lancaster] passed away. [Brad] from Tech Time Traveller paid tribute to [Don] in a recent video.  [Don …read more (https://hackaday.com/2023/07/02/saying-goodbye-to-don-lancaster/)

Hackaday Links: July 2, 2023
https://hackaday.com/2023/07/02/hackaday-links-july-2-2023/

Members of Pixelbar woke up to shocking news on Wednesday morning this week as they learned that a fire had destroyed the building housing their Rotterdam hackerspace. Pictures of the …read more (https://hackaday.com/2023/07/02/hackaday-links-july-2-2023/)

Watching Paint Dry for Over 100 Years
https://hackaday.com/2023/07/02/watching-paint-dry-for-over-100-years/

A Model T Ford customer could famously get their car “in any color he wants, so long as it’s black.” Thus begins a deep dive into the history of car …read more (https://hackaday.com/2023/07/02/watching-paint-dry-for-over-100-years/)

Presence Sensor Locks Computer When You Step Away
https://hackaday.com/2023/07/02/presence-sensor-locks-computer-when-you-step-away/