Quantcast

Latest Christopher Rahn Stories

Getting More Life Out Of Batteries For Electric Locomotive
2013-01-05 04:39:54

redOrbit Staff & Wire Reports - Your Universe Online A new charging algorithm developed by researchers at one US university could help extend battery life in the country's first all-electric, battery-powered locomotive, according to reports. The locomotive in question, Norfolk Southern Railway No. 999, uses batteries similar to those used in automobiles. Its batteries are rechargeable for a time, but ultimately die out, often due to degradation of the power source caused by lead...


Word of the Day
attercop
  • A spider.
  • Figuratively, a peevish, testy, ill-natured person.
'Attercop' comes from the Old English 'atorcoppe,' where 'atter' means 'poison, venom' and‎ 'cop' means 'spider.' 'Coppa' is a derivative of 'cop,' top, summit, round head, or 'copp,' cup, vessel, which refers to 'the supposed venomous properties of spiders,' says the OED. 'Copp' is still found in the word 'cobweb.'
Related