ChrisA

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    ChrisA replied to the thread Design an interstellar 'generation ship' to spend decades among the stars with Project Hyperion competition.

    The theory is that he is not motivated to invent metal working because in his society metal working has a high negative value. It would...

    Saturday at 1:15 AM
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    ChrisA replied to the thread Design an interstellar 'generation ship' to spend decades among the stars with Project Hyperion competition.

    I did not make this theory up. It is very much mainstream science. The theory is that cavemen did not invent metal working because...

    Friday at 10:45 PM
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    ChrisA replied to the thread Design an interstellar 'generation ship' to spend decades among the stars with Project Hyperion competition.

    in interstaller space there is NOTHING outside of the ship to see. It is pure black emptyness with only a background of stars. And...

    Friday at 3:59 PM
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    ChrisA replied to the thread SpaceX has dreamed up a Dragon ship on steroids to drag the ISS out of space.

    Did you do the math? How many SpaceX dragons are needed to reach Earth's escape velocity? My quick basic estimate with guessed...

    Nov 7, 2024
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    ChrisA replied to the thread Design an interstellar 'generation ship' to spend decades among the stars with Project Hyperion competition.

    crossing the gaps between stars certainly is physically possible. But not by sending modern-day humans. In only a few decades we...

    Nov 7, 2024
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    ChrisA replied to the thread Why does classical physics gravity formulas/measurements do not work at a quantum level, what’s missing?.

    My opinion is that classical physics is just a shortcut. It is the result of summing trillions of quantum effects. Other examples of...

    Nov 7, 2024
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    ChrisA replied to the thread Design an interstellar 'generation ship' to spend decades among the stars with Project Hyperion competition.

    One huge problem. Almost every first-world country now has a birth rate less than 2.1. This means their population is shrinking...

    Nov 7, 2024
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    ChrisA replied to the thread World's 1st wooden satellite arrives at ISS for key orbital test.

    I don't think this is the fist use of wood in space. In the 1970s and 1980s there were Chinese satellites that use an oak heat shield...

    Nov 6, 2024
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    ChrisA replied to the thread The absurdity of space-time curvature and geodesics.

    General relatively is a field theory, It is like Maxwell's equations. Both are field theories. I guess you would argue that a...

    Nov 3, 2024
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    ChrisA replied to the thread Watch SpaceX Crew-9 astronauts move Crew Dragon spacecraft to new ISS parking spot on Nov. 3.

    They ALWAYS put all the astronauts onboard when they move the capsules. The reason is if the docking fails and they can't reconnect to...

    Nov 3, 2024
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    ChrisA replied to the thread SpaceX Crew-8 astronaut released from hospital, returns to Houston.

    My hope is that the astronaut in question simply tells us what went on. But if he fails to do that, we the people who paid for ISS...

    Oct 28, 2024
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    ChrisA replied to the thread Europe's bold 'Explore 2040' campaign aims to get astronauts to the moon and Mars.

    This is clearly not a 21st-century project. And if it is ever needed depends on if there is ever a need to launch thousands of tons of...

    Oct 28, 2024
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    ChrisA replied to the thread Negative Mass exists, Newton's Laws opposite.

    You see a flat disk that is not perpendicular to our line of sight. The disk would appear to have an elliptical or "arched" shape...

    Oct 24, 2024
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    ChrisA replied to the thread Spooky fireball blazes across Lake Erie a week before Halloween (video).

    So what can we know about the size and composition of this object from its brightness and color?

    Oct 24, 2024
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    ChrisA replied to the thread Blowing up: Inflatable space habitats could be key to exploring the solar system.

    I think the gas can be recycled. Air is mostly nitrogen (78%, I think). So they use liquidifed air to remove the dust and then...

    Oct 22, 2024

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