and it's not a Big spider.
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Sticky Spy Drone Glues Itself To Walls, Then Leaves Without A Trace
A new spy drone can stick to walls and carry out covert surveillance, then detach itself and fly away, leaving no sign that the targets were being bugged.
Sticky Spy Drone Glues Itself To Walls, And Leaves Without A Trace
A new British quadcopter attaches itself to vertical surfaces for spying missions, recharges itself with solar power, then flies away leaving no traces of an incursion.
