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Quadrotor acrobatic flight is extremely difficult. High thrust and extreme angular accelerations are required for maneuvers such as the loop, matty flip, and barrel roll,…

Sodium peroxide (Na2O2) is a whitish solid (yellow when hot) that dissolves in ice water and decomposes in warm water or alcohol; r.d. 2.80; decomposes at…

They said do not meet your heroes, but fans of theoretical physicist Albert Einstein can now chat with him online (but he is not busy…

Platypus is one of nature’s greatest adversities. A study that consistently created their genome was able to unravel some of the mysteries, (but in no…

Among the dinosaurs in theropod was abundant toothed Tyrannosaurus, bipedal muscles. These first appeared as small dinosaurs but eventually grew to the size of Cretaceous, giving birth…

Late last year, a memorable breakthrough announced, including the first case of long-range, high-fidelity quantum teleportation. It also quickly created a cryogenic quantum computer chip…

Antarctica, on the one hand, occupied most of the Earth’s landmass, and changed humans about 12,000 years ago, according to an international study. This contradicts…

T Cephei is a red supergiant star 329 times larger than the Sun. It is a Mira variable star in the constellation Cepheus. Cepheus constellation…

The security market line (SML) is a representation of the capital asset pricing model (CAPM) that plots different levels of systemic, or market risk, of…

Clos network is a multistage switching network. In the field of telecommunications, a Clos network is a kind of multistage circuit-switching network which represents a…

VV Cephei is an eclipsing binary star in the Cepheus constellation. It is also known as HD 208816, is an eclipsing binary star system located…

Calcium acetate is a chemical compound that is a calcium salt of acetic acid. It consists of four carbon atoms, six hydrogen atoms, one calcium…