Trying to fathom the concept of a light-year is not by any means easy - it’s literally how far light travels in a year, roughly 9,460 billion kilometers or 5,880 billion miles. That’s a lot of zeros.
An engineer who works for NASA has put forward a proposal for a new way to travel through interstellar space—a "helical engine" that could, potentially, push a spacecraft forward without the need for ...
NASA engineer David Burns used special theory of relativity to devise a 'helical engine ' that could theoretically accelerate to 99% of the speed of light. The mechanism of the helical engine itself ...
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