But Paul Woods says that idea is limited by the batteries used to store energy and that there is no battery currently available that can power long-haul trucks or heavy machinery.
VOA: standard.2009.09.02
Imagine how much power it takes to drive an artificial heart, so you've got to have a battery or some way of generating power continuously to operate that and that makes it difficult to think about implantable and so that's a really good example of Biomedical Engineering.
驱动人工心脏所需要的能量是难以想像的,所以需要电池或者是某种持续发电装置,来给人工心脏提供能量,这就增加了人工心脏的植入难度,这是很好的生物医学工程的例子
"The power source for the aircraft are the two battery packs you see on either side, which are lithium ion batteries which are similar to what you find in our laptops, only custom made for us for this application."
VOA: standard.2010.08.11
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