With the advent of extremely light silicone impregnated nylon, these tarps weigh in at less than a pound, are cheap, and are easy to make.

随着超轻涂硅尼龙的出现，这类篷布的重量可以控制在一磅以内，而且价格便宜，制作也很简单。

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The first ball was a clunky 700-pound, iron-and-wood number and was adorned with just 100 25-watt light bulbs. In 1920, a spiffy new 400-pound ball replaced the original.

第一个新年球是一个700磅重的铁木球，还会发出沉闷的金属声，同时上面装饰了100个25瓦的电灯泡。而到了1920年，一个400磅的，漂亮的新球替换掉了最原先的那个球。

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All that is packed into a surprisingly light 2.19-pound package (not including the keyboard).

ENGADGET: Acer unveils Aspire P3 Ultrabook convertible (update: video)

Hopkins will try to prove he's still championship material when he fights undefeated Tavoris Cloud (24-0, 19 KOs) for a piece of the 175-pound light heavyweight title Saturday night at Barclays Center in New York.

WSJ: At 48, Hopkins still chasing championship history

You may have missed that Compaq nc2400 ultraportable business laptop among the slew of notebooks we reported on yesterday, but according to Laptop magazine, those on a budget looking to travel light should probably give the 3.6-pound (with battery) model from HP a second look.

ENGADGET: HP's Compaq nc2400 ultraportable notebook reviewed