News tagged with space-time

When it comes to mammals, how big is too big?

(Phys.org) —Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, while others ...

dateJun 14, 2013 in Plants & Animals
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Tracking trains with satellite precision

Taking a cue from how ESA controls satellites, Spanish railways now have their own high-tech upgrade to keep travellers abreast of when the next train is going to pull into the station.

dateFeb 26, 2013 in Engineering
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