"We're finding that when you rub a natural biological surface that has an orientation - that has a grain, if you will - and you run that grain perpendicularly to the long axis of the ridges, we find a dramatic increase in friction, " Dr Dominy told BBC News.
"Whereas personality similarity is likely to facilitate this process, personality differences may result in more friction and conflict in daily life, " she said.
The global move toward state-run industries is running into a bit of friction in Germany.
There is no friction in cyberspace, except that caused by inefficiencies of its current infrastructure.
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The friction in dealing with faraway Chinese factories, once ignored, is now a big consideration in plant-location decisions.
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They argue that churches should be interracial whenever possible because their success could ultimately reduce racial friction in America.
But it also strips away a lot of the friction in grassroots efforts familiar to my father's generation too.
Communications technologies of all kinds function as an economic lubricant, reducing friction in the economy and thus accelerating economic growth.
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The accountability of US forces and local militia working with them has been a growing source of friction in Afghan-US relations.
BBC: File image of US soldier in Wardak province, Afghanistan
But as inner cities gentrify, the poor are being displaced, and it has created real friction in San Francisco and Washington.
Soon after, however, the man grew remorseful, as the tryst apparently caused some friction in his other, less Internal Revenue Code-based relationship.
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However, if Spain ends up with more favorable terms than other bailed out eurozone countries, then that could cause friction in places like Ireland.
The spending level between current Kodak customers and current Shutterfly customers is meaningful, which leads to friction in up-selling Kodak customers to higher price-point goods.
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Customers were signing up briskly, but Levie felt there was still too much friction in the act of pulling out a credit card to open a Box account.
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The trouble is that any kind of friction in a mobile payments system is annoying and will lead many to conclude they are better off sticking with cash.
The study is also likely to create friction in the United States, where opponents of genetically engineered foods in California are fighting to have all GMOs removed from the food supply.
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The Obama administration fears that whenever Rokkasho starts operating, it will add a new dimension of friction in the region, prompting other countries to seek greater nuclear capabilities and more control over them.
Just as Apple has managed phenomenal growth through semi-anonymous business relationships that radically reduce business friction (300, 000 developer relationships and counting), the same principle of using the web to reduce business friction in copyright transactions should make for a more nimble economy and faster growth.
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So I think the worst thing we can do is encourage a process that may result in some sort of trade friction or trade war between the two largest economies in the world.
Without digital ID, we are stuck with the greatest friction point in Web commerce: that redundant typing in of passwords and filling out of home address fields for the umpteenth time.
There has in the past been friction between it and Zynga, which is building a web and mobile platform of its own, called Zynga Direct, in order to reduce its reliance on Facebook.
But the Iran-Contra scandal - revelations that the US had been covertly selling arms to Iran in the hope of securing the release of hostages held in Lebanon - caused friction between the US and Baghdad.
Sachs straight-up confesses that Google didn't predict the current level of smartphone adoption back in 2008, but now realizes that utilizing mobile hardware and apps as friction points for logging in makes a lot more sense.
This new friction is sand in the gears of the global multinational corporation.
Today, the park is filled with modern amusements as well as the Rutschebaren, a wooden friction rollercoaster built in 1932.
Overall, investigators found wear from friction and vibration in 15, 000 places, in varying degrees, in 3, 401 tubes inside the four generators.
This friction is sand in the gears of the global multinational corporation.
"My own readings or misreadings of historical material, that kind of falsification is what creates friction or energy in the work, " she says.
WSJ: Ellen Gallagher, the Global Art Star | WSJ. Magazine May 2013
Lead scientist Professor Nicholas Spencer suspected that this property could neutralise the effectiveness of the synovial fluid as a lubricant - increasing friction and wear in the hip implant.
The barrel heats up as a result of the hot expanding gases in the barrel and the friction from the bullets that are propelled by these hot gases along a helical path inside the barrel.
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