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"Encryption is the process of encoding files in such a way that only those who are authorized can access it. Mankind is using encryption from ages even when computers were not in existence. During war they would pass some kind of message that only their tribe or those who are concerned were able to understand."

"Encryption is the process of encoding files in such a way that only those who are authorized can access it. Mankind is using encryption from ages even when computers were not in existence. During war they would pass some kind of message that only their tribe or those who are concerned were able to understand."

"The impact of technological change on culture, learning, and morality has long been the subject of intense debate, and every technological revolution brings out a fresh crop of both pessimists and pollyannas. Indeed, a familiar cycle has repeat itself throughout history whenever new modes of production (from mechanized agriculture to assembly-line production), means of transportation (water, rail, road, or air), energy production processes (steam, electric, nuclear), medical breakthroughs (vaccination, surgery, cloning), or communications techniques (telegraph, telephone, radio, television) have appeared on the scene. The cycle goes something like this. A new technology appears. Those who fear the sweeping changes brought about by this technology see a sky that is about to fall. These "techno-pessimists" predict the death of the old order (which, ironically, is often a previous generation's hotly-debated technology that others wanted slowed or stopped). Embracing this new technology, they fear, will result in the overthrow of traditions, beliefs, values, institutions, business models, and much else they hold sacred. The pollyannas, by contrast, look out at the unfolding landscape and see mostly rainbows in the air. Theirs is a rose-colored world in which the technological revolution du jour is seen as improving the general lot of mankind and bringing about a better order. If something has to give, then the old ways be damned! For such "techno-optimists," progress means some norms and institutions must adapt-perhaps even disappear-for society to continue its march forward. Our current Information Revolution is no different. It too has its share of techno-pessimists and techno-optimists. Indeed, before most of us had even heard of the Internet, people were already fighting about it-or at least debating what the rise of the Information Age meant for our culture, society, and economy."

does Kurtopia need someone to mow the lawn?

no, but we do need someone to take our throm-dib-u-lator apart though

"Published on Jul 29, 2014 This talk was given at a local TEDx event, produced independently of the TED Conferences. Would you upload your personality if you could? What do you think of the possibility of living without a physical body? Dr. White addresses a reality that is not so far off as we might think - and what the ethical and philosophical implications of this future might be. "

" There is no doubt that human evolution has been linked to meat in many fundamental ways. Our digestive tract is not one of obligatory herbivores; our enzymes evolved to digest meat whose consumption aided higher encephalization and better physical growth. Cooperative hunting promoted"

" by Charley Cameron Share on Facebook Pin Tweet+ A new report envisions a nightmare scenario in which just three climate change-driven disasters could lead to global food shock, resulting in food riots as the price of basic crops skyrockets and stock markets experience significant losses. The risk assessment, which was produced by insurer Lloyd's of London-with support from the UK Foreign and Commonwealth Office and vetted by academics from a number of institutions-shows just how close humanity may be to catastrophic collapse by mid-century unless significant changes are made to slow global warming."