Friday, 19 July 2013
ASIMO-A REVOLUTON IN THE WORLD OF ROBOTICS
Saturday, 6 July 2013
Three Laws of Robotics
The Three Laws of Robotics (often shortened to The Three Laws or Three Laws) are a set of rules devised by the science fiction author Isaac Asimov. The rules were introduced in his 1942 short story "Runaround", although they had been foreshadowed in a few earlier stories. The Three Laws are:
- A robot may not injure a human being or, through inaction, allow a human being to come to harm.
- A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law.
- A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.

The original laws have been altered and elaborated on by Asimov and other authors. Asimov himself made slight modifications to the first three in various books and short stories to further develop how robots would interact with humans and each other. In later fiction where robots had taken responsibility for government of whole planets and human civilizations, Asimov also added a fourth, or zeroth law, to precede the others:
- 0. A robot may not harm humanity, or, by inaction, allow humanity to come to harm.
The Three Laws, and the zeroth, have pervaded science fiction and are referred to in many books, films, and other media.
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