科学

  新华网快讯:京沪高铁运营初期每天将开行动车组90对,实行时速300公里和250公里两种速度等级混跑的开行模式。时速300公里动车组全程最短旅行时间4小时48分。

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发表在栏目: 中国新闻


5名机器人选手挑战42.195公里的全程马拉松,力争4天内走完

  24日,全球首场以双足步行机器人跑完42.195公里为目标的“机器人全程马拉松大赛”在大阪市亚太贸易中心开赛。5个机器人力争在4天内抵达终点。

  参加比赛的有3个团体。机器人们将在每圈100米的室内跑道上24小时不间断赛跑。参赛机器人必须能自行站立,比赛中可以更换电池和零件。无需遥控器就能行走的机器人通过识别跑道上的线条在弯角处转弯。

  比赛从每天上午10点至晚上8点向公众开放展示。也有视频直播网站提供24小时直播。

发表在栏目: 科学
周一, 06 12月 2010 08:49

和我一起旅行【组图】

Kitty大概是这个世界上最有冒险经历的猫了。她是一对法国旅行爱好者夫妻Guillaume和Laetitia的爱猫,从美国迈阿密出发前往阿根廷乌斯怀亚,全程约9000英里(15000公里)。到2010年2月止他们正抵达哥伦比亚。

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