Workers at a Google data center combined 12 century know how and space age technology to trigger a medieval weapon that was used to hurl rocks, balls of fire and dead animals over castle walls.
They used an Android cellphone, a computer the size of a credit card and a Blue Tooth receiver to trigger the wooden weapon, known as a trebuchet, during the first "Storm the Citadel Trebuchet Competition" in Charleston over the weekend.
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