Lots of signals have gone into space such as TV, radar and radio. The signals have been betraying our presence for 60 years and have passed over about 6000 star systems and are reaching new systems every day. This would seem to be enough, even though we haven’t received anything back yet, but what if [...]
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The Longest Hypersonic Flight
The longest supersonic combustion ramjet-powered hypersonic flight took place on may 26. The engine is a scramjet engine that broke the time spent over mach 5 by the previous flight. It was only over mach 5 for 200secs but at mach 5 that’s quite a distance. //
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Not Faster Than Light But Fast Light, Is It Possible?
Light is one of those things that you take for granted just switching on a switch or, if you are a caveman, lighting a fire. It appears almost instantaneously as that switch clicks or fire bursts into life. But, you know what I’m going to say don’t you, it’s not that simple. It takes time [...]
