and assemble the parts to create a working ball gear slide. You’ll learn about the principles of gear mechanisms, as well as how to use basic tools to bring your project to life. Plus ...

The prototype uses a spinning worm gear that winds its way through the ... YKK would also need to develop some safety mechanisms before its self-propelled zipper could ever reach consumers ...

Over 75% of those attempts ended in death due to the extreme dangers of the wheel well, including hypothermia, oxygen deprivation and the risk of being crushed by landing gear mechanisms." ...

If you want to get a mini robot moving, maybe you should teach it to do the worm. Neither the Gizmodo article nor the abstract of [David Zarrouk]’s paper gives too many details on the ...