Skeleton from cist found at the Upper Mains of Catterline, Kinneff, Kincardine. Interment accompanied by a beaker and 'burnisher'. Cist had decorated cover slab as well as countersunk slab and possibly associated cup-marked boulder.
Demonstration of air resistance. Double windmill each with 4 vanes : first set vanes fixed perpendicular to direction of motion; second set of vanes can be rotated individually around axis of support arm to give range of resistance from…