Everyone, at one point or another, has had something disappear into thin air under circumstances where it shouldn't have. The most common example is when both socks go into the dryer but there is only ...

A typical reflective object sensor consists of an infrared light emitter diode (IRED) and an NPN silicon phototransistor mounted side-by-side on parallel axes in a compact black plastic housing. The ...

A Doppler shift is defined as a change of frequency of light or sound when an object is moving toward or away from an observer. Edwin Hubble observed in 1929 that galaxies appear on average to be ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

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Unstructured data is huge – in all senses. There is lots of it, and file or object sizes can be large. Go back just a decade and the predominant method of storage for unstructured data would have been ...