Keywords: Molten salt, pebble-bed reactors; graphite reflector; annular tanks; seismic behavior; fluid-structure interaction; base isolation; design recommendations. Abstract: This report describes ...

A suspended apparatus used to minimize friction during the experiment. The heavier brass cylinder and lighter ping-pong ball collide repeatedly against the transparent wall, reproducing 31 collisions ...

Without the force called friction, cars would skid off the roadway, humans couldn't stride down the sidewalk, and objects would tumble off your kitchen counter and onto the floor. Even so, how ...

Physicists should “think big” when it comes to calculating the effects of friction on tiny nanomachines, according to researchers in the US, who say that they have strong evidence against the widely ...