Path: ...!weretis.net!feeder9.news.weretis.net!news.quux.org!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Peter Flass Newsgroups: alt.folklore.computers,comp.os.linux.misc Subject: Re: The joy of Technology Date: Wed, 6 Nov 2024 18:31:15 -0700 Organization: A noiseless patient Spider Lines: 28 Message-ID: <1100464987.752623012.018300.peter_flass-yahoo.com@news.eternal-september.org> References: <2ItTO.338744$v8v2.95701@fx18.iad> <199392d0-9628-8177-2f3b-35b23a721dd4@example.net> <086607f1-2283-f7fb-ddf9-ac4766b06530@example.net> <1403284140.752354931.877496.peter_flass-yahoo.com@news.eternal-september.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 07 Nov 2024 02:31:15 +0100 (CET) Injection-Info: dont-email.me; posting-host="c7b2b39b608f08fb3222e50d75542a1a"; logging-data="2487804"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/xwkt2TEnGPuytNW1RiLin" User-Agent: NewsTap/5.3.1 (iPad) Cancel-Lock: sha1:LFSPwmtBtDXuwMh0UQd05IArfdk= sha1:0MGV1aFET02CIyHsmdkFeI6OmQE= Bytes: 2738 The Natural Philosopher wrote: > On 03/11/2024 23:35, rbowman wrote: >> On Sun, 3 Nov 2024 20:59:45 -0000 (UTC), Lawrence D'Oliveiro wrote: >> >>> That level of technology is called “chalcolithic”. That is, they mainly >>> use fine stone tools, but they have also found a limited use for copper, >>> which can be found lying around pure in some places, is easily workable >>> but too soft to do much with. And they haven’t yet developed smelting >>> technology to extract metals from ores and create harder alloys out of >>> them, like bronze. >> >> https://en.wikipedia.org/wiki/Metallurgy_in_pre-Columbian_Mesoamerica >> >> South and Central America advanced beyond hammering out found copper. >> There isn't much evidence in North America. > > Bronze needs tin, and there might not have been much around. Tin or arsenic. I don’t know if any other metals would work. > > Iron is a *huge* step up. > -- Pete