Microwave lenses harnessed for multi-beam forming

This highly compact beam forming network has been designed for multi-beam satellite payload antennas. Generating a total of 64 signal beams outputted from a single antenna, this novel design could cover the entire Earth with ...

Cover crop could solve weed problems for edamame growers

For vegetable growers, weeds can mean lost income from reduced yield and foreign plant matter contaminating the harvest. But for many crops, particularly vegetable legumes, weed management options are very limited.

How the pandemic is harming the oil and gas industry

In August, Exxon Mobil, once the largest publicly traded company in the world, was dropped from the Dow Jones industrial average after 92 years. Exxon's removal is emblematic of the changing profiles of energy companies. ...

Collective quantum effect: When electrons keep together

Many celestial objects such as stars or planets contain matter that is exposed to high temperatures and pressure—experts call it warm dense matter (WDM). Although this state of matter on earth only occurs in the earth's ...

Additive manufacturing of multi-functional parts

Additive manufacturing is currently one of the most significant trends in industry. Now a team from the Fraunhofer Institute for Ceramic Technologies and Systems IKTS has developed a Multi Material Jetting system that allows ...

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Performance

A performance, in performing arts, generally comprises an event in which one group of people (the performer or performers) behave in a particular way for another group of people (the audience). Sometimes the dividing line between performer and the audience may become blurred, as in the example of "participatory theatre" where audience members might get involved in the production. Singing choral music, and performing in a ballet are examples. Usually the performers participate in rehearsals beforehand. Afterwards audience members often clap, indicating appreciation. However, sometimes this rule is reversed. In Japan, the greatest compliment is complete silence.[citation needed]

Performances, for example in theatre, can take place daily, or at some other regular interval. Performances can take place at someone's house, in a subway, or even at a dollar store. Talent, on the other hand, is subjective.

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