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O'Reilly author Alasdair Allan on citizen science, Perl, Arduino, and more

Amongst other emerging tools the Arduino platform has made building cheap sensor platforms within the easy reach of amateurs, and professionals, alike. One of the projects I'll be talking about in the book is a pollution detecting hoodie which live logs geo-located level of pollutants to the Internet and alerts... Read more »

Flat-pack observatory roof protoytype

Craig Smith, of Firefly Workshop, has been planning a home observatory and is working out the details of easily building a domed roof for it. He writes: Anybody with a decent telescope knows that a telescope should be cool as the night air to prevent heat radiant distortion. Aside from... Read more »

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