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New organic material may speed Internet access

The next time an overnight snow begins to fall, take two bricks and place them side by side a few inches apart in your yard.

In the morning, the bricks will be covered with snow and barely discernible. The snowflakes will have filled every vacant space between and around the bricks.

Tightly focused laser light generates nonlinear effects, rainbow of color

Two physicists have produced a rainbow of visible and invisible colors by focusing laser light in a specially designed optical fiber that confines light in a glass core whose diameter is 40 times smaller than that of a human hair. The researchers are among the few scientists in the world to achieve and study the phenomenon, which is called "supercontinuum generation in nonlinear fibers."



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