tdd20's Activity (11)
tdd20 added a news bookmark.As most people age, the crystalline lenses in their eyes start to stiffen and are unable to change shape as easily. As a result, objects in close range start to look blurry, for...Over 5 years ago
tdd20 added a news bookmark.In August 2013, billionaire entrepreneur Elon Musk released a 57-page white paper concept for Hyperloop — a supersonic mass transit system between high-traffic cities that lie w...Over 5 years ago
tdd20 added a news bookmark.On March 10, Professor Robert Kelly was doing what the expert on South Korea does regularly — discussing a political situation on live television with a BBC News reporter via Sk...Over 5 years ago
tdd20 added a news bookmark.In 2013, Jeff Bezos, the CEO and founder of Amazon Inc., made headlines when he proclaimed that within a few years, the company would deploy unmanned drones to deliver packages ...Almost 6 years ago
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