Path: Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 14 Mar 2024 18:47:22 +0000 From: john larkin Newsgroups: sci.electronics.design Subject: Re: Shielding spacecraft against cosmic radiation Date: Thu, 14 Mar 2024 11:47:22 -0700 Message-ID: <2eh6vih7roq61bviv89eolo4pbikr4ao5f@4ax.com> References: <34h1vihp32geb2olkcscfksbr8k0bdgdmu@4ax.com> User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Lines: 40 X-Trace: sv3-cqbp0mmYXydUzLYtpnRS9ENHlKGllXNMYrprRTq7EADMphhzOxL7xUh2J3G3Y9Hm2kDo1WFhqlYelOx!2U26jyjc7q0FTn2RSXALuqffstOuo1pe0JvzxTCPJj9FjhEeSwYrZ1KePHlUbC2k8MdX4T45150t!dza4sg== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2561 On Wed, 13 Mar 2024 07:09:47 GMT, Jan Panteltje wrote: >On a sunny day (Tue, 12 Mar 2024 14:18:18 -0700) it happened john larkin > wrote in <34h1vihp32geb2olkcscfksbr8k0bdgdmu@4ax.com>: > >>On Tue, 12 Mar 2024 06:22:55 GMT, Jan Panteltje >>wrote: >> >>>Shields up: New ideas might make active shielding viable >>>Active shielding was first proposed in the '60s. We’re finally close to making it work. >>> https://arstechnica.com/science/2024/03/shields-up-new-ideas-might-make-active-shielding-viable/ >>> >>>bit of static oelectricity, 1 MV ? >> >>That's all absurd, cramming a crew into a tiny dark cylinder, deep >>inside tons of magnets, to reduce their radiation exposure a little. > >Yes that may be more dangerus, tha tI why I like the elctrostatic solution. > > >>Space is not people-friendly. Earth is. >> >>Traveling to or living on Mars woud be lethal. Living on the moon >>would be bad too. > >Maybe we could convert some comet, live inside it, >use its material for power water and shelter >and put an engine on it and start interstellar travel: > https://en.wikipedia.org/wiki/%CA%BBOumuamua This is https://www.barrons.com/news/protect-earth-instead-of-colonising-mars-obama-says-1df83940 the most sensible thing I can recall Obama ever saying. Let's feed and educate a billion kids instead of putting victims on the moon or on Mars.