It sure sounds like “laser speckle imaging” is the sort of thing you’d need grant money to experiment with, but as [anfractuosity] recently demonstrated, you can get some very impressive …read more (https://hackaday.com/2021/09/17/diy-laser-speckle-imaging-uncovers-hidden-details/)

Putting an Afterburner on an Electric Ducted Fan
https://hackaday.com/2021/09/17/putting-an-afterburner-on-an-electric-ducted-fan/

Afterburners are commonly agreed to be the coolest feature of military fighter aircraft. Injecting raw fuel into the exhaust stream of a jet engine, afterburners are responsible for that red-hot …read more (https://hackaday.com/2021/09/17/putting-an-afterburner-on-an-electric-ducted-fan/)

Banish Early Morning Zombification With The zom-b-gone!
https://hackaday.com/2021/09/17/banish-early-morning-zombification-with-the-zom-b-gone/

https://www.youtube.com/watch?v=7YvWAb6U9Zk
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-14-at-13.55.14.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/Snap-2021-09-14-at-13.55.14.png?w=800">[Applied Procrastination] aka [Simen E. Sørensen] has a simple project to help those of us that struggle with early-morning zombification. By leveraging the backlight optics from a broken LCD monitor, …read more (https://hackaday.com/2021/09/17/banish-early-morning-zombification-with-the-zom-b-gone/)

3D-Printing Complex Sensors and Controls with Metamaterials
https://hackaday.com/2021/09/17/3d-printing-complex-sensors-and-controls-with-metamaterials/

If you’ve got a mechatronic project in mind, a 3D printer can be a big help. Gears, levers, adapters, enclosures — if you can dream it up, a 3D printer …read more (https://hackaday.com/2021/09/17/3d-printing-complex-sensors-and-controls-with-metamaterials/)

Automatic Microfiche Scanner Digitizes Docs
https://hackaday.com/2021/09/17/automatic-microfiche-scanner-digitizes-docs/

While the concept might seem quaint to us today, microfiche was once a very compelling way to store and distribute documents. By optically shrinking them down to just a few …read more (https://hackaday.com/2021/09/17/automatic-microfiche-scanner-digitizes-docs/)

Unique Clock Doubles as a Development Board
https://hackaday.com/2021/09/18/unique-clock-doubles-as-a-development-board/

Most clocks these days have ditched the round face and instead prefer to tell time through the medium of 7-segment displays. [mihai.cuciuc] is bringing the round face to digital clocks …read more (https://hackaday.com/2021/09/18/unique-clock-doubles-as-a-development-board/)

Silky Smooth Resin Printer Timelapses Thanks to Machine Vision
https://hackaday.com/2021/09/18/silky-smooth-resin-printer-timelapses-thanks-to-machine-vision/

The fascination of watching a 3D printer go through its paces does tend to wear off after you spent a few hours doing it, in which case those cool time-lapse …read more (https://hackaday.com/2021/09/18/silky-smooth-resin-printer-timelapses-thanks-to-machine-vision/)