Amazon One palm scanning worked flawlessly. It's dying anyway—because Amazon forgot that even frictionless tech needs ...

The question is not how to eliminate friction. The question is how to manage it so it becomes traction and traction becomes ...

A hands-on experiment shows how intense friction can generate enough heat to char and soften wood, breaking down the physics of energy transfer and temperature buildup. Leaked emails about removal of ...

China has established a new benchmark in high‑speed transportation technology by setting a world record with a magnetic levitation (maglev) train test. In a recent experiment, researchers accelerated ...

ABSTRACT: The purpose of this paper is to compare the differences in wheel/rail friction temperature under traction and braking, for further analysis of the distinction of adhesion performance under ...

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Abstract: Piezoelectric inertial actuators (PIAs) enable cross-scale motion ranging from nanometers to millimeters with simple and compact structures. However, friction and wear issues limit their ...

Erin is a smart cookie. She manages complex projects for a living. She maps dependencies, anticipates risks, and can predict how a small change will ripple through a system. Yet when it comes to her ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s a little complicated to weigh a dying person on a hospital ...

Picture yourself at a busy pedestrian crossing. When the light is red, everyone waits -- until one person starts to cross. Soon, others follow, and eventually everyone follows the crowd and crosses.