Are there alternatives (real or theoretical) to radio?

Subject: Are there alternatives (real or theoretical) to radio?

Date: Tue Mar 13 00:40:17 2007
Posted by Isaac
Grade level: grad (science) School: ITT Tech
City: Troy State/Province: MI Country: USA
Area of science: Physics
ID: 1173771617.Ph

Message:


Are there any real or theorized alternatives to utilizing radio waves for long 
distance, over the horizon, wireless voice and data transmission?  What's 
likely to replace the radio?

Re: Are there alternatives (real or theoretical) to radio?

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