Conor Walsh: Designer of the Soft Robotic Exosuit

The Harvard professor’s prototype can help stroke survivors walk

4 min read
Photo: Fred Merz/Rolex and Harvard Biodesign Lab
Photo: Fred Merz/Rolex and Harvard Biodesign Lab

Video: Rolex Awards for Enterprise

What began as a program for the U.S. Defense Advanced Research Projects Agencyto help soldiers carry heavy packs with less effort led IEEE Member Conor Walsh and his group at Harvard to design a lightweight exosuit for stroke patients and those with weakened leg joints.

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The State of the Transistor in 3 Charts

In 75 years, it’s become tiny, mighty, ubiquitous, and just plain weird

3 min read
A photo of 3 different transistors.
iStockphoto
LightGreen

The most obvious change in transistor technology in the last 75 years has been just how many we can make. Reducing the size of the device has been a titanic effort and a fantastically successful one, as these charts show. But size isn’t the only feature engineers have been improving.

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