My office building just had its entryway refurbished. Now, we have a huge revolving door flanked by two regular, swinging doors. I heard somewhere that revolving doors are supposed to make heating and ...

Revolving doors can be clumsy, but once you learn the good that they do to help the environment, you’ll rethink how you feel about them. Invented in the late 19th century, revolving doors were ...

Recently, a well-known financial company in the Midwest experienced something unexpected: their downtown, highrise location was the target of a protest due to their financing of a controversial ...

December 12, 2008 In a clever example of harnessing the power of human movement, Netherlands based door manufacturer Royal Boon Edam has developed an energy generating revolving door for the ...

Tempted to ignore the revolving door? Here are the revolutions that made the city a magnet for this seemingly simple device. Sometimes, it takes a visitor to notice something unusual and special about ...