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 …

Raspberry Pi

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 …

February 2015

Xiaomi's latest flagship dazzles with quality design

<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 non-Asian markets and no microSD slot curb its …

Physicists create reversible laser tractor beam

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 0.2 mm in diameter distances up to 20 cm (7.87 in) -- around 100 times farther than has been achieved in previous experiments.<p>"Demonstration of a large …