Telemark skiers have been skiing in walk mode for years. For the uninitiated–especially those of the alpine touring persuasion used to footwear fine-tuned to striding–this may sound downright batty.

Spring-loaded plungers use a spring and a plunger (or ball tip) to exert a precise and repeatable force. They are a better option than having engineers cobble together an assembly that uses a simple, ...

Whether they're playing sports or suffering from joint injuries, some people could definitely benefit from using a wearable assistive device. Exoskeletons are certainly one option, although if it's ...