Modern USB condenser mics have this feature: you can select a particular pattern by simply flicking a switch or changing the head of the microphone. Obivously, the biggest benefit of this type of mic is that you get to test the quality of sound in various conditions at affordable price. W...
Astronomers use all kinds of telescopes—some on Earth, some in space—to glean information about distant objects from the electromagnetic radiation they give off. Radio waves Giant satellite-dish antennas pick up long-wavelength, high-frequency radio waves. The biggest radio telescope on Earth is ...
multiverse, ahypotheticalcollection of potentiallydiverseobservable universes, each of which wouldcompriseeverything that is experimentally accessible by a connectedcommunityof observers. The observable knownuniverse, which is accessible totelescopes, is about 90 billion light-years across. However, this unive...
(orductility), which is generally observed in strength tests as the necking of a specimen placed under tension, is not observed; instead, glass failure isbrittle—that is, the glass object fractures suddenly and completely. This behaviour can be explained by the atomic structure of a glassy ...