It may not sound like the biggest deal, but salespeople expend a fair amount of energy just hanging up, moving on to a new call and dialing the phone. (inc.com)
For one, to convert algae into fuel, producers centrifuge the algae - laden water to separate the two, and that takes «a fair amount of energy,» Clarens said. (scientificamerican.com)
Some wander around quite a bit — and it takes a fair amount of energy for them to traverse the rugged terrain, Williams and her colleagues report online today in Science. (sciencemag.org)