IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. To count revolutions of the shafts ...

If you’re looking for a staunch advocate of attitude flying, you’ll find none better or more evangelical than Wolfgang Langewiesche in his classic Stick and Rudder. His sermonizing on the importance ...

In addition to helping you navigate to a specific address more conveniently, the likes of Google Maps and Waze also come with a current speed indicator that has become a must-have feature for lots of ...

The speed of an automobile can be indicated by detecting the pulses generated by the ignition system and causing an LED to light. The circuit utilizes a quad NOR gate IC chip. Two of the gates are ...

The doomed Lion Air flight that crashed into the sea, killing 189 passengers last month, was found to have a malfunctioning air speed indicator for its last four flights – and, crucially, at the time ...