Microchips: Make And Usage

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.

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The Microchip

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.

  • Jack Kilby and Robert Noyce are credited for the creation of microchips.
  • In 1959, Texas Instruments received the patent for mini electronic circuits, and inventor Jack Kilby rose to prominence.
  • Apart from the mini chips, he also invented the calculator and holds more than 60 patents.
  • A company of Robert Noyce, Fairchild Semiconductor Corporation, got the silicon chips patented. He later founded the company Intel.

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Organic Solar Cells

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.

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About Consciousness

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.

What Is Consciousness?

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The Escalator

The Escalator, or ‘moving stairs’ is an infrastructural technological development which is actually a trademark, a brand that became so common that its name became a ‘trademark genericide’, just like Aspirin, or Cellophane.

Escalators came after elevators and of course, stairs, both of which were serving the purpose, but had many constraints like vertical expansion of space and a limit on how much a person can ascend or descend manually.

How the Escalator Forever Changed Our Sense of Space

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