Recent content by Bob Wood

Thanks for the response, guys. Here's a video of the system that gave me the idea: Today I took one of the mats and counted the holes. On the underside of the mat, there were 10 rows of about 220 holes, each about a half of a millimeter in diameter. Very little air flow, for a mat that...

I work in a hospital, and recently we acquired a device by which air flow from a small low-pressure pump is fed into an inflatable mattress with many tiny holes on the bottom side. As this mattress inflates, it creates a cushion of air beneath it, capable of lifting a 1,000 lb person so that...