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Awesome Pokemon Bulbasaur Pumpkin Halloween Shirt

If you wanted to make yourself known to the galaxy, the radio would be the most obvious choice. So if ET wanted to broadcast their Wikipedia to everyone, a radio signal would be the most obvious beacon. It uses low power and can work with some of the earliest electronic technology a civilization will develop.

Awesome Pokemon Bulbasaur Pumpkin Halloween Shirt 

 

 

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Awesome Pokemon Bulbasaur Pumpkin Halloween Shirt

The controlled production of electromagnetic radiation is something that we discovered you can do with the right materials and advanced enough knowledge. Those materials are universal, as are their properties.

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