Hampton Roads Bridge–Tunnel

So bridge and tunnel The Hampton Roads Bridge-Tunnel connects the city of Hampton on the Virginia Peninsula with the City of Norfolk. Its 3.5 mile length is divided into two lengths of bridge and a tunnel in the middle. The middle tunnel section is to open up a vital shipping lane which includes traffic from…

Malcolm Gladwell “Choice, Happiness and Spaghetti”

Malcolm Gladwell’s TED talk “Choice, Happiness and Spaghetti Sauce” is a quick summary of psychophysicist Howard Moskowitz’s experiments on food and happiness. In his spaghetti experiments in the 1980s, Mowskowitz found that the data clearly divided American’s preferences into three groups, which Gladwell described as “people who like their sauce plain, people who like their sauce…

What Happened To The Tweel?

Tweel nice Conventional pneumatic tires use air pressure to maintain their shape and resistance to weight and driving forces yet also cushion the vehicle from road imperfections. Principle 29 – Pneumatics and Hydraulics Michelin has developed an airless tire called the Tweel. This is a merging of tire and wheel into an integrated unit.  Principle 5…

Split Air Conditioning Systems

Canada has summer too, eh I talked about how air conditioners worked in a previous post.  Living in Canada, if houses have air conditioning they are usually tied into a central forced air heating system. Principle 5 – Merging The same fan, thermostat, and set of ducts and vents can be used for cooling or heating. Principle…