Your Eustachian tubes are located inside each ear, on the sides of your head. These tubes connect your middle ear to the back of your nose and throat. When you hear your ears pop after swallowing or ...

For most of us, electronic technology comes in the form of solid state devices. Transistors, integrated circuits, microcontrollers. But for the first sixty years or so of the field existing, these ...

Among tube designers, Hamming says, “there's a tendency to overspec—to impose minimum wall thicknesses and small tolerance ranges on features that aren't critical.” When designers pile on features, ...