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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 »

How-To: Build a model Hubble Space Telescope

Our intrepid space-beat reporter Rachel Hobson spotted these cool model Hubble Telescopes on the Hubble website: There are three versions: a PVC pipe version, a basic paper model version, and an expert paper model version that even includes the internal structure of the telescope. Why not host a little Hubble-building... Read more »


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