In the city of Boca Raton, where Florida Atlantic University and the Boca Raton Airport now lie, is a special piece of World War II history.Great Britain — already in the throws of the war in 1940 — ...

As a result, there is no natural way to remove them at home. Only a dentist can fix a cavity by filling it in. That said, home care can prevent cavities. Food and bacteria buildup form a sticky ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Solar hybrid photovoltaic/thermal (HPT) systems maximize the overall solar energy ...

Each cavity is driven by a high-power klystron, which is a tube containing electron beams. The electron beams are intensity-modulated to a frequency of 400 MHz, or 400 million oscillations per second.