Videos

 - Hi Toilet - Voice activated public toilets. Possible aid to universal access, sanitary conditions, and social benefits.
 - A handy drain clearing tool - The Best Tool I Never New Existed
 - How complicated a concrete path can get, heated, stamped, sealed, exposed aggregate, etc. - Craziest driveway of all time!!
 - The Washington Bridge - This Bridge’s Bizarre Design Nearly Caused It To Collapse - Lessons in ability to maintain, inspection lessons, tendering issues with the new bridge, structural design lessons.
 - Sick Building Syndrome in an energy efficient design
 - Why Berlin Built a $7BN Empty Airport