That was written in a time when it was true, before Christians argued over how many angels can fit on the head of a pin, whether to use grape juiceor wine in the communion class, and whether women should wear doilies on their head when they pray, and a myriad of other stupid destructive timewasting ideologies designed to keep us running around with 1 foot nailed to the floor. (redeeminggod.com)
The cells are tiny — a few could fit on the head of a pin — so a single biodrone could carry several, enabling it to measure multiple atmospheric markers simultaneously. (discovermagazine.com)