friction real aparent area
General Topics

Guidance Notes on Friction

19.03.2018 tribonet 915 Views
In dry sliding between a given pair of materials under steady conditions, the coefficient of friction may be almost constant. This is the basis for two EMPIRICAL Laws of Sliding Friction, which are often known […]
In a time-lapse sequence, infrared imaging shows the temperature changes within a droplet of water as it moves across a treated silicon surface in response to temperature differences on that surface.
General Topics

Temperature difference propels droplets

07.03.2018 tribonet 106 Views
In a time-lapse sequence, infrared imaging shows the temperature changes within a droplet of water as it moves across a treated silicon surface in response to temperature differences on that surface. Image courtesy of N. […]
Contact Mechanics
General Topics

Contact Mechanics Book

06.03.2018 tribonet 132 Views
The Handbook on Contact Mechanics (Handbuch der Kontaktmechanik) co-authored by Honorary Professor of Tomsk Polytechnic University, head of the Department of System Dynamics and Friction Physics at Technical University Berlin, Valentin Popov, a TPU alumnus […]
Sharp knife high friction
General Topics

Sharp knives – high friction

28.02.2018 tribonet 1,074 Views
Trying to slice a tomato into thin slices with a dull knife can get a little scary. The harder the knife must be pressed downward before the skin is broken is directly related to the […]
placing droplets.
General Topics

Programmable droplets

16.02.2018 tribonet 40 Views
Using electric fields to manipulate droplets on a surface could enable high-volume, low-cost biology experiments. MIT researchers have developed hardware that uses electric fields to move droplets of chemical or biological solutions around a surface, […]
spunkers team
General Topics

Robot Spelunkers Goes for a Dip

12.02.2018 tribonet 79 Views
From L-R: guide Keeton Kroon; Andy Klesh of JPL; and John Leichty of JPL. Klesh and Leichty ventured out to Alaska’s Matanuska Glacier to test robotic mapping technology in underwater tunnel systems called moulins. Credits: […]