American millionaire Rob Innes created a "shark" called Seabreacher X: a James Bond-style. craft that can dive under water and jump 12 feet into the air.

美国百万富翁罗伯·伊恩斯制造了一个名为“海洋开道车x”的“鲨鱼玩具”——一辆即可在水下疾驰亦可跃出水面12英尺的詹姆斯·邦德式飞船。

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The X-51A burned for more than 200 seconds and accelerated the craft to five times the speed of sound.

X-51A起动超过200秒，促使飞行器速度提高到音速的五倍。

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They would be forced to spend a year and a half together in a 14ft x 12 ft Dragon space craft, accompanied by supplies ranging from more than a tonne of dehydrated food to 28kg of lavatory paper.

宇航乘客将被迫在14英尺乘12英尺的“龙”飞船里呆上一年半，舱里还挤满了供给，包括一吨多脱水食品和28公斤厕纸等等。

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Perth also reduced the power of the transmission to make it more like the sort of faint X-band signal the craft would expect to hear at Mars.

BBC: Signal picked up from Russia's stranded Mars probe

The vessel could also be a British two-man mini submarine - known as an X craft, a small boat or even a private yacht - one is known to have sunk in the area many years ago.

BBC: Experts to examine River Foyle, Derry, wreck

Boeing's X-37B, the test craft that's been kicking around for the last decade or so, has finally made it into orbit.

ENGADGET: Boeing X-37B autonomous space shuttle launched last night, due back 'whenevs'