superballistic electrons
General Topics

Super-ballistic electron flow confirmed

01.12.2017 tribonet 494 Views
Behaving like particles in a viscous fluid can help bunches of electrons squeeze through a tight space. When many people try to squeeze through a passageway at the same time, it creates a bottleneck that […]
golf ball
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Morphable surfaces could cut air resistance

30.11.2017 tribonet 225 Views
Adding golf ball-like dimples to surfaces could reduce drag and improve efficiency of vehicles. There is a story about how the modern golf ball, with its dimpled surface, came to be: In the mid-1800s, it […]
banana stepping
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The science of slippery bananas

24.11.2017 tribonet 475 Views
They’re yellow. They’re radioactive. And they’re very slippery. Yes, they’re bananas, and we have just found out why they’re so slippery. So yellow … yes we all know that. But radioactive? Well yes, bananas are […]
Visualization of vortices droplet
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How to float your coffee creamer?

23.11.2017 tribonet 96 Views
Study explains how droplets can “levitate” on liquid surfaces. A drop or two of cold cream in hot coffee can go a long way toward improving one’s morning. But what if the two liquids didn’t […]
tribologists
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A tribologist’s quest

10.11.2017 tribonet 196 Views
Brandon Krick explores the interdisciplinary science of surface interaction Brandon Krick says he’s had the good fortune to research space and dinosaurs—“all the things you want to explore as a kid,” he says. But his real […]
General Topics

Predicting the limits of friction on metals

30.10.2017 tribonet 262 Views
Normally, bare metal sliding against bare metal is not a good thing. Friction will destroy pistons in an engine, for example, without lubrication. Sometimes, however, functions require metal on metal contact, such as in headphone jacks or […]
Origami-robot
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The ‘Origami Robot’ that can be ingested

19.10.2017 tribonet 3,450 Views
Ever swallowed a button-battery? And wondered how to get it out? Have no fear, the origami robot is here! That’s right, the Massachusetts Institute of Technology (MIT) has come up with a pill-sized origami robot, which will […]