In Andean countries, the "pishtaco" is understood as a White-looking man that steals Indigenous people's organs for money. In contemporary Amazonia, the Shipibo-Konibo people describe the "pishtaco" as a high-tech murderer, equipped with a sophisticated laser gun that injects electricity inside a victim's body. This paper looks…

Many derivations of the relativistic addition law of parallel velocities without use of the Lorentz transformations (LT) are known. Some of them are based on thought experiments that require knowledge of the time dilation and the length contraction effects. Other derivations involve the Doppler effect in the optic domain considered from three…

In his "The Making of the Atomic Bomb," Richard Rhodes remarks of the July 16, 1945, Trinity atomic bomb test in New Mexico that "had astronomers been watching they could have seen it reflected from the moon, literal moonshine," an allusion to Ernest Rutherford's famous dismissal of the prospect of atomic energy. Investigating…