Unworkable Concept for Solar Express Space Train for travel at 1% of light speed –

The Solar Express is an idea for a space train that would be designed and used to ferry humans, supplies and minerals between celestial bodies and space stations in our solar system. It would run non-stop, so smaller vessels would need to catch the train when it passed by. Charles Bombardier and his team see …

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If Spacex Mars missions and colonization succeed then Musk becomes Columnbus, Isabella I

Spacex and Elon Musk plan to spend $300 million on their first Red Dragon mission to Mars in 2018. This will be ten times more than NASA will spend If this leads to Spacex performing a series of mainly successful unmanned and then a manned mission to Mars around 2024 or 2026 then that manned …

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Japan may only restart 7 more nuclear reactors in the next few years

Of Japan’s 43 operable reactors, only seven are likely to be turned on in the next few years, down from 14 reactors the Reuters news agency predicted would return to operation in an analysis last year. The survey also found that nine reactors are unlikely to ever restart, while the fate of the remaining 26 …

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DARPA targets next generation vacuum tubes that will create electronics that are harder to jam

According to DARPA, vacuum electron devices (VEDs) are critical components for defense and civilian systems that require high power, wide bandwidth, and high efficiency, and there are over 200,000 VEDs currently in service. While most VEDs in common use today (traveling wave tubes (TWTs), klystrons, crossed-field amplifiers, magnetrons, gyrotrons and others) were invented in the …

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