Pressure sensors on alert

Mrs Miller is happy. Since she moved to the new apartment building she has not had any nasty surprises on her heating bills. This is because the building is insulated with a new material which exhibits particularly low thermal conductivity and therefore high energy efficiency. Vacuum insulation panels consist of a tightly sealed shell and porous core material made of silicic acid. This serves to support the vacuum in the insulation panel. Because a vacuum is a very good thermal insulator, the insulation value of the vacuum panels is five to ten times higher than that of conventional panels, for instance those made of polystyrene...

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