Galactic Wi-fi?

[Sir Ulli]

Incredibly, it's been only a bit more than a century since Oliver Heaviside consolidated the work of several 19th century physicists into the four compact mathematical formulations known as Maxwell's Equations. You may gleefully recall them from sophomore physics.

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http://www.space.com/searchforlife/080131-seti-galactic-wifi.html

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sir Ulli