Features Open and Closed versions of all 10 designs. Sentry: Stimulate, motivate, mobilize and neutralize test subjects. Note: Point towards test subject for best results. One random turret supplied.

The Arduino controls a simple 2-axis servo mount with an ... (double hand pistols), which turns the turret into an apologetic comrade. All it needs is a Portal-inspired enclosure.

Add articles to your saved list and come back to them any time. Two years after quitting as artistic director of Opera Australia, Lyndon Terracini has unveiled ambitious plans for a three-day ...

After hours: October 18 at 7:27 PM EDT Loading Chart for OPRA ...

After nearly axing the ensemble last year, the BBC celebrates 100 years of the BBC Singers with a rapturously received programme.