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| [Crazy] Venus and Planetary-scale engines? |
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Posted by: Dartz - 08-09-2020, 02:03 PM - Forum: Fenspace
- Replies (8)
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A question the Venus terraforming program must solve.
How to accelerate the planet's rotation so it has a proper day-night cycle, and how to reduce the crushing concentrations of carbon-dioxide and toxic gasses.
And here I'm wondering, why not kill two birds with one stone? Teratons of gas will make for excellent remass - you just need engines big enough to accelerate it to escape velocity.
Proper angling of the thrust from these world engines could be used to accelerate the rotation of the planet.
These things will be utterly Babylonian in scale - requiring terajoules of energy for decades at a time.
It might even be possible to move Venus to co-orbit with Earth. Okay, so that arrangement will result in a collision if a few million years but by then humanity will be long-gone, and in the short term the benefits in venusian habitability will be worth it. And sure, if we can move it, we can stabilise it.
Thoughts?
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Challenge: find some Public Domain images on Commons |
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Posted by: robkelk - 08-05-2020, 08:35 PM - Forum: General Chatter
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Since Windows 10 Pro doesn't (appear to) come with any sample media, I'm putting together a selection of files for testing newly-installed software with. If the files are Puiblic Domain, then I can leave them on the computer with the software... which would make a difference if I'm building a computer for somebody else.
There are plenty of Public Domain videos at the Internet Archive, and it's possible to search for them and not get any CC licensed files in the results.
There's plenty of Public Domain audio at the Virtual Gramophone - they're all PD, so no worries on what comes up in a search.
Images... Sure, there are PD images at Wikimedia Commons, but there's no way to search for only PD images. So, here's a challenge: Find me some PD images on Commons, and share the page URLs (not the images themselves) in this thread. EDIT: Oh, and no NSFW images, please.
For example:
How diverse a collection can we make, using only public domain images?
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| COVID-19 & US healthcare system: Flattening the Third |
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Posted by: Labster - 07-29-2020, 10:11 PM - Forum: Politics and Other Fun
- Replies (95)
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Old thread
I guess there are a lot of reports of Republican political staffers being forced to not wear masks at work so they could set an example to show the country how to reopen properly. Probably have a good article to link to tomorrow, but reporters are getting lots of emails from Congressional staffers.
I do understand it a little bit -- why would a Republican want their staff to display their allegiance to Democrats by wearing masks? And of course, it's just following the example of the president who is a huge narcissist, so that makes sense too. The part that doesn't make sense is why the party hasn't cut ties to Trump to save their own skins.
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