Catman

Hi 3point14rat, why do you say the bubble is moving at the speed of sound, electromagnetic waves travel at the speed of light.  FYI:  The very first experiments where electromagnetic waves were produced was done by David Edward Hughes in 1880, 139 years ago so the bubble would be 139 light years out.  There are approximately 5900 stars 150 li…[Read more]

Hi forum, the search for ET is largely (entirely?) focused on looking for electromagnetic signals, correct?  What if advanced races discovered a better (think faster…than light) way to transmit signals.   Obviously we are not looking for whatever that is but I think the Drake Equation should factor it in.  If the vacuum of space is teaming wit…[Read more]