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Photo by Ravi Palwe on Unsplash

The original post its are canary yellow because the only available paper at the time of invention was canary yellow scrap paper.

The colourful squares of paper that we cannot live without in office spaces actually are an invention that people don't readily acknowledge. Over the years, it has made its way into almost all realms because of how useful it is.

The idea of the post-it comes from the genius collaboration of two men, Spencer Silver and Art Fry. These men, like all great men, found themselves in a quandary over simple things that they could not fix at all, and suddenly things clicked together when they met, and sticky notes as we know them were born.

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The mock killer robot was displayed in London in April 2013 during the launching of the Campaign to Stop Killer Robots, which calls for the ban of lethal robot weapons that would be able to select and attack targets without any human intervention. (VOA)

From a young age, Phatwa Senene knew he wanted to be an inventor.

He got his start at age 11, he said, when he attached a DC motor to a fan. He then attached the fan to a drill and proceeded to drill holes into his bedroom wall. His invention worked, he said: The fan blew away the dust from the drilling.

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Fifty Things That Made The Modern Economy cover. Facebook
  • Author Tim Harford has written a new book titled ‘Fifty Things That Made The Modern Economy
  • Tim Harford is also an economist and a columnist

New Delhi, August 22, 2017: The i-Phone may seem the pinnacle of human endeavour, ingenuity and technological prowess — but while Steve Jobs deserves the plaudits, the range of technologies making it possible were a collective effort, facilitated by a surprisingly unexpected benefactor. Such tales are discussed in Tim Harford’s “Fifty Things That Made The Modern Economy.”

When we think of the wonders of our modern world, we may cite these flashy hand-held devices that enable us to communicate, entertain ourselves and find information instantly. But they are merely one facet, for our lives now owe to a range of inventions and discoveries stretching from the humble plough to Google, and from the elevator to intellectual property, and achieved in several unusual and unexpected ways.

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