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Heraclitus regarded the soul as being a mixture of fire and water, with fire being the more noble part and water the ignoble aspect. He believed the goal of the soul is to be rid of water and become pure fire: the dry soul is the best and it is worldly pleasures that make the soul "moist". [ 7 ]
Together, these five essences of the deity correlate with the five classical elements. [38] [39] Koni is the thought and void (aether). Bemba (also called Pemba) is the god of the sky and air. Nyale (also called Koroni Koundyé) is the goddess of fire. Faro is the androgynous god of water. Ndomadyiri is the god and master of the earth.
In the late 17th century, Sir Isaac Newton had advocated that light was corpuscular (particulate), but Christiaan Huygens took an opposing wave description. While Newton had favored a particle approach, he was the first to attempt to reconcile both wave and particle theories of light, and the only one in his time to consider both, thereby anticipating modern wave-particle duality.
Empedocles (c. 490–430 BCE) spoke of four elements of which everything was made: earth, water, air, and fire. [69] Meanwhile, Parmenides argued that change does not exist, and Democritus argued that everything is composed of minuscule, inert bodies of all shapes called atoms, a philosophy called atomism. All of these notions had deep ...
Chemical reactions such as combustion in fire, fermentation and the reduction of ores to metals were known since antiquity. Initial theories of transformation of materials were developed by Greek philosophers, such as the Four-Element Theory of Empedocles stating that any substance is composed of the four basic elements – fire, water, air and ...
The fire will act like a cat going after a laser pointer light and that is all it takes to cut off the oxygen from the fire." The duo says that one day, they hope this technique can help out in a ...
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A fire whirl, fire devil or fire tornado is a whirlwind induced by a fire and often (at least partially) composed of flame or ash. These start with a whirl of wind , often made visible by smoke , and may occur when intense rising heat and turbulent wind conditions combine to form whirling eddies of air.