Thinking about science and technology in terms of return on investment misses the point. Here’s what kids really need to know. No lightsaber ever came to be, but I’ve been teaching undergraduates ...
A house made from paper. A hovercraft made from old CDs, glue, balloons and rubber bands. A cobra made from Popsicle sticks. These are some of the unique toys created by Arvind Gupta, who lives in ...
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