Many people find themselves working in confined spaces every day, whether it be in sewer systems, drains, or other tight spots. These areas come with their own unique risks to …read more (https://hackaday.com/2021/09/17/retrotechtacular-the-dangers-of-confined-spaces/)

DIY Laser Speckle Imaging Uncovers Hidden Details
https://hackaday.com/2021/09/17/diy-laser-speckle-imaging-uncovers-hidden-details/

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/)