How can a horde of active robots be automatically brought to a standstill? By arresting their dynamics in a self-sustained way. This phenomenon was discovered by physicists at Heinrich Heine ...

How can a horde of active robots be automatically brought to a standstill? By arresting their dynamics in a self-sustained way. This phenomenon was discovered by physicists at Heinrich Heine ...

Friction force microscopy (FFM) of materials with well-defined crystalline surfaces is interpreted within the framework of the Prandtl–Tomlinson (PT) model. This model portrays the interaction with a ...

Figure 2 A dental arch-form plate model designed for the linguoversion of the lateral incisor in the arch Figure 3 A test of static frictional force. A dental archform plate and the end of an archwire ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A novel microtribometer is developed to characterize microelectromechanical systems (MEMS) sidewall friction with high resolution. The design is based on a rotational grating displacement sensing ...

According to an Air Force news release, a full-scale qualification static fire test of the Sentinel intercontinental ballistic missile, or ICBM, stage-one solid-propellant rocket motor was ...

These noncentral, frictional forces depend on the topography and the contact area between the particles, as well as on the physicochemical properties of the particles’ surfaces. Understanding the ...

This is said to be the first report of static electricity , but the mechanism of static electricity , which occurs when two objects are rubbed together, was still unknown even today, more than ...