News tagged with travel time

Opinion: What resilience should mean to policymakers

Evidence, and perhaps the experience of seemingly perpetual rain on one's face, suggests that the weather is one thing that is increasingly variable and difficult to predict. The impact of this goes beyond deciding whether ...

dateMar 14, 2017 in Other
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How to build a time machine

Every now and again, we all indulge in dreams about travelling in time. Wouldn't it be wonderful to return to that specific point in the past to change a bad decision or relive an experience – those halcyon days of childhood, ...

dateFeb 24, 2016 in General Physics
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A laser beam's path through NASA's ICESat-2

Before beaming 300 miles to Earth's surface, bouncing off the ground and travelling another 300 miles back into space, the laser photons on NASA's Ice, Cloud and Land Elevation Satellite-2 first have to complete a 7½-foot ...

dateJun 17, 2015 in Space Exploration
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