Carmine Li Pizzi

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Controlling LEGO Power Function trains and models with Raspberry Pi

The later LEGO trains and Technic examples are controlled via the "Power Functions" system, which is in effect a simple infra-red remote control for …

Microcontroller

Reader recommendation: Arik Private Tours in Israel

My brother-in-law treated our family (12 of us) to a guided tour in Israel. Our guide, Arik, was superb. Nothing fazed him, and he was great in his dealings with us. As a tour guide, he was able to contend with our 6- and 8-year-olds, their grandma of 76 and a few midlifers. We were impressed with …

Israel

Mighty Mites - Photo Gallery

Photograph by Martin Oeggerli.<p>Magnified hundreds of times, this predatory soil mite is the terror of its microscopic world.<i><br>Parazercon</i> sp., magnified 556 times<p>Photograph by Martin Oeggerli<p>Heavily armored scutacarid mites hitch rides on larger arthropods (including other mites) in their search for …

Nature

Xiaomi's latest flagship dazzles with quality design

Xiaomi's latest flagship dazzles with quality design<p><b>The Good</b> The Xiaomi Mi Note's refined aluminum and glass design is as good as any. Impressively, Xiaomi crams a 13-megapixel camera with optical image stabilization into the slim chassis without showing a bulge.<p><b>The Bad</b> Limited 4G LTE support for …

Physicists create reversible laser tractor beam

Physicists have built a tractor beam out of lasers that can both repel and attract objects across distances 100 times farther than previously possible.<p>The groundbreaking tractor beam, made of a hollow laser beam (a laser bright around the edges and hollow in the centre), was able to move particles …