The sewing machine is a tool that many of us will have somewhere around our workshop. Concealed within it lies an intricate and fascinating mechanism. Some of us may have …read more (https://hackaday.com/2022/07/17/a-home-made-sewing-machine-may-be-the-only-one/)

Beautiful Inductors, Now Not Such A Lost Art
https://hackaday.com/2022/07/17/beautiful-inductors-now-not-such-a-lost-art/

As ferrite technology has progressed into a mastery of magnetic permeability, the size of inductors has gone down to the point at which they are now fairly nondescript components. There …read more (https://hackaday.com/2022/07/17/beautiful-inductors-now-not-such-a-lost-art/)

It Turns Out You Can’t Just Fly A Drone Under Water
https://hackaday.com/2022/07/17/it-turns-out-you-cant-just-fly-a-drone-under-water/

The differences between a drone and an underwater remote-operated vehicle (ROV) aren’t actually that large. Both have powerful motors that move large volumes of fluid (yes, air is a fluid), …read more (https://hackaday.com/2022/07/17/it-turns-out-you-cant-just-fly-a-drone-under-water/)

Observe Airflow Using Smartphone And Background-Oriented Schlieren
https://hackaday.com/2022/07/17/observe-airflow-using-smartphone-and-background-oriented-schlieren/

Multiple people have recently shared this exciting demonstration (nitter) with us – visualizing airflow using a smartphone, called ‘background-oriented schlieren’. On a hot summer day, you might see waves in the …read more (https://hackaday.com/2022/07/17/observe-airflow-using-smartphone-and-background-oriented-schlieren/)

Hackaday Links: July 17, 2022
https://hackaday.com/2022/07/17/hackaday-links-july-17-2022/

The folks at NASA are taking a well-deserved victory lap this week after the splashy reveal of the first scientific images from the James Webb Space Telescope. As we expected, …read more (https://hackaday.com/2022/07/17/hackaday-links-july-17-2022/)

Robot Arm Has the Touch
https://hackaday.com/2022/07/17/robot-arm-has-the-touch/

[Maurizio] built a robot arm, which is always a great accomplishment. But his project includes a very cool touch interface for an Android device that sets it apart from many …read more (https://hackaday.com/2022/07/17/robot-arm-has-the-touch/)

Peer Into Space Through This James Webb-Style Hexagonal Mirror
https://hackaday.com/2022/07/17/peer-into-space-through-this-james-webb-style-hexagonal-mirror/

The James Webb Space Telescope (JWST) generated considerable excitement when its first test images were released earlier this year: they proved that the instrument was working and helped its engineers …read more (https://hackaday.com/2022/07/17/peer-into-space-through-this-james-webb-style-hexagonal-mirror/)

World’s Biggest Foam RC Plane Takes To The Skies, But Only Barely!
https://hackaday.com/2022/07/18/worlds-biggest-foam-rc-plane-takes-to-the-skies-but-only-barely/