Path: ...!news.nobody.at!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lynn McGuire Newsgroups: rec.arts.sf.written Subject: Re: OT: Surely there's an SF story with this..... Date: Fri, 30 Aug 2024 13:31:29 -0500 Organization: A noiseless patient Spider Lines: 41 Message-ID: References: <8ot2dj9g79mj7i1kidb0l3fnt6jho6udlk@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 30 Aug 2024 20:31:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="52ef6a7b8f5edea2a15d2fc74aed9353"; logging-data="644314"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/sGudJywR75Nvuk3sVWHc5jvGaAIYnlLY=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:ySU+Fpj2ntP/v4U1SUDSvT6XmVg= In-Reply-To: <8ot2dj9g79mj7i1kidb0l3fnt6jho6udlk@4ax.com> Content-Language: en-US Bytes: 2458 On 8/30/2024 2:39 AM, Mad Hamish wrote: > On Thu, 29 Aug 2024 13:29:43 -0500, Lynn McGuire > wrote: > >> On 8/29/2024 1:07 PM, Cryptoengineer wrote: >>> Reflect Orbital >>> >>> https://www.reflectorbital.com/lighting >>> >>> is proposing to launch a fleet of orbital mirrors to provide lighting >>> to nighttime locations on the Earth. >>> >>> They claim they will be able to light up a 5km diameter circle for >>> 4 minutes. They're accepting reservations, but I can't find any >>> pricing. They expect to start in Q4 2025. >>> >>> I'm *extremely* skeptical. To be even as bright as moonlight, >>> the mirror would have to appear 1/7 the area of the Moon in >>> the sky. >>> >>> I can't think of a use case for 4 minutes of light, but they >>> also talk about using it to power up solar panel systems at >>> night, which makes no sense. >>> >>> I think its either an art project, or some kind of scam to >>> fleece investors who are bad at math. >>> >>> Still, very stfnal. >>> >>> pt >> >> "Live Free or Die" by John Ringo is close to the concept. The >> protagonist uses millions of mirrors by Sol to melt metal heavy >> asteroids and protect Earth from invaders coming through the new Star Gate. > > I'm hoping that they'll be well short of that level What level ? Lynn