Is the Qin a Chinese instrument?

Is the Qin a Chinese instrument? qin, Wade-Giles romanization ch’in also called guqin (Chinese “ancient zither”) or qixianqin (Chinese “seven-stringed zither”), fretless Chinese board zither with seven strings. Each qin is given a unique name, which is engraved on the back side of the instrument, along with poems and the owner’s (or owners’) seals. What […]

What companies make roof tiles?

What companies make roof tiles? Popular roof tile brands in 2019 Artstone. Artstone is made by Greys Roofing who are a leading producer of artificial slate roof tiles. Tapco. Tapco are another leading manufacturer of artificial slate roof tiles. Marley. BMI Redland. Wienerberger. SIG Roofing. Are concrete roof tiles glazed? Long lasting and attractive, cement […]

What does entropy do to the economy?

What does entropy do to the economy? Indeed, entropy is ‘produced’ in non-equilibrium processes, and it is associated with the quality of energy: low-entropy energy is more useful. This makes entropy a seemingly good measure of economic scarcity and depletion of resources, which explains the role of entropy in ecological economics. What is entropy in […]

Does fizz keeper really work?

Does fizz keeper really work? A little pump called the “Fizz Keeper” is available in kitchen supply stores to pressurize previously opened soft drink bottles and prevent loss of carbonation. The idea appears to make sense, but actually, the device does not work. Before the bottle is sealed it is pressurized with a mixture of […]

Are earthquakes possible in MN?

Are earthquakes possible in MN? Minnesota earthquakes. Minnesota has one of the lowest occurrence levels of earthquakes in the United States, but a total of 20 small to moderate earthquakes have been documented since 1860. The earthquake history of the state is summarized in Figure 1 and Table 1. When’s the last time Minnesota had […]

Is spandex good for swimwear?

Is spandex good for swimwear? Spandex is a stretchy material that offers a very good, comfortable fit. Spandex is known for its elasticity and stretch, which is ideal for swimming. Spandex suits must be rinsed in cool water after each use, and don’t hold up as well with the harsh chemicals of the pool which […]

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