Smaller than a fingernail, Microchips are integrated circuits providing computer circuitry that is one of the most important inventions of the human race.
A microchip is basically an interconnected circuitry of transistors and resistors etched on semiconducting material like germanium or silicon. The Microprocessor of a computer, and the computer memory, both contain microchip circuits. Most modern gadgets contain this piece of technology.
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Built on multiple layers, microchip makers use a process called photolithography using chemicals and light. It is generally covered with a thin layer of aluminium.
Apart from computers and laptops, Smartphones are the most common electronic devices carrying a whole lot of chips. Television sets, GPS devices, ID cards and Air Force missiles use this technology.
Incandescent light bulbs existed before Thomas Edison, and when other inventors got wind of Edison's tinkerings, they roundly sued him for patent infringement.
So what did Edison actually do?
He discovered that a special species of bamboo had a higher resistance to electricity than carbonized paper, which means it could more efficiently produce light. Edison got rich off the bamboo, and from superior manufacturing and marketing of his product.
Like all great inventions, the light bulb can’t be credited to one inventor. It was a series of small improvements.
An organic solar cell is a type of photovoltaic that uses organic electronics—a branch that deals with conductive organic polymers or small organic molecules for light absorption and charge transport to produce electricity from sunlight using photovoltaic effect. Organic solar cells are cheap, resulting in low production costs to form large volumes. Due to the high optical absorption coefficient () of organic molecules, large amounts of sunlight can be absorbed easily and efficiently.
Consciousness is everything you experience - taste, pain, love, feeling. Where these experiences come from is a mystery.
Many modern analytic philosophers of mind either deny the existence of consciousness, or they argue that they can never be meaningfully studied by science.
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