Browse Physics

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41.

Focus

Catch a Quasiperiodic Wave

Phys. Rev. Focus 11, 11 (2003) – Published March 17, 2003

Quasiperiodic waves in a liquid may help researchers understand how electrons move through quasicrystals.

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Focus

Fast-Growing Raindrops

Phys. Rev. Focus 11, 2 (2003) – Published January 10, 2003

Raindrops may form in clouds through a nucleation process like the one that makes bubbles in soda and sugar crystals in honey.

43.

Focus

Waves of Depression

Phys. Rev. Focus 10, 20 (2002) – Published October 29, 2002

Researchers have used liquid mercury to create the first of a new class of solitary surface waves.

44.

Focus

Lightly Filtered

Phys. Rev. Focus 10, 12 (2002) – Published September 13, 2002

A regularly spaced array of laser beams deflects particles from their usual course.

45.

Focus

Light Beam from Water Droplets

Phys. Rev. Focus 10, 1 (2002) – Published July 5, 2002

The secret to probing clouds from afar may be igniting tiny fires in their water droplets.

46.

Focus

Smoothing Out Wake Turbulence

Phys. Rev. Focus 9, 5 (2002) – Published January 28, 2002

A new scheme suggests a way of reducing the deadly wake turbulence of aircraft.

47.

Focus

Bursting the Bubble Barrier

Phys. Rev. Focus 8, 33 (2001) – Published December 17, 2001

A new way to create a stream of equally sized microscopic bubbles might be used in foam science, drugs, or food.

48.

Focus

How Raindrops Form

Phys. Rev. Focus 7, 14 (2001) – Published March 22, 2001

Swirling winds inside clouds may be one of the keys to quick formation of raindrops.

49.

Focus

Dye Doesn’t Follow Fluid Flow

Phys. Rev. Focus 7, 7 (2001) – Published February 9, 2001

A surprising effect traps dye particles within narrow bands in a tank of whirling fluid. Such focusing may influence chemical reactions and the motions of water vapor in the atmosphere.

50.

Focus

Stirring Up a Magnetic Field

Phys. Rev. Focus 5, 20 (2000) – Published May 5, 2000

Scientists have for the first time created a magnetic field in the lab by stirring up molten metal–the same way the Earth does.

51.

Focus

The Pot Gets Hotter than the Stove

Phys. Rev. Focus 5, 18 (2000) – Published April 25, 2000

An experiment on board the MIR spacecraft showed that a bubble of gas surrounded by liquid can rise to a temperature higher than that of the surrounding walls.

52.

Focus

Hot Bubbles

Phys. Rev. Focus 5, 5 (2000) – Published February 3, 2000

Physicists have taken their highest resolution look at the supersonic shock wave that emerges from gas bubbles so hot that they might create nuclear fusion.

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Focus