Hydrogel cilia set new standard in microrobotics

Cilia are micrometer-sized biological structures that occur frequently in nature. Their characteristic high-frequency, ...

Common eye ointments linked to swelling and rupture of glaucoma implants

Widely used eye ointments can cause glaucoma implants to swell and potentially rupture, according to new research from Nagoya ...
IEEE

Improvement of Butterfly Valve Performances Using a Developed Nonlinear Model and Control Strategy for Transportation Applications

Abstract: In industry, most controllers currently used are PID controllers due to their ease of implementation and parameter adjustment. PID controllers are designed using a linear model or a ...

Does Your Bike Use Presta or Schrader Valves? Here’s How To Choose the Right One.

Learn how to tell Presta from Schrader at a glance, match valve length to your rims, choose the right pump or adaptor, and ...
Tech Xplore

Supersonic tests defy a 70-year-old rule of metal strength

When engineers want to make a metal stronger, one of the most reliable strategies is to use smaller grains—the microscopic ...