Perhaps few physical concepts have received less attention relative to their importance than friction. Learning the 'effective' notions of static and sliding friction, students of mechanics can ...

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life ...

Flows inside ducts, channels and pipes are very important because they occur in many practical applications (water pipes, air conditioning ducts, gas lines, ventilation shafts, heat exchanger tubes, ...

During the exhibition at the New York Crystal Palace in 1853, I had many opportunities to notice the effect of friction on the temperature of water. You and many of your readers will remember ...

Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push a book along the floor, friction makes this difficult.

But now, there are non-legacy brands, like Duke Cannon, for example, looking to reshape the image of male grooming and how those products are positioned. With this approach, they’re increasingly ...

There is no easy way to describe Nick Cannon, 32. To say he is a man of multiple talents is an understatement. He’s a successful actor, radio and television personality, comedian, songwriter-rapper, ...

Federal prosecutors say there is no basis for Judge Aileen Cannon to remove herself from a criminal case against the man accused of plotting to kill Donald Trump on a Florida golf course last ...

China and India are pulling back troops from the two remaining friction points along the disputed Himalayan border, days after the leaders of the two countries met. Troops deployed toe-to-toe are ...