Aerogel, one of the world’s lightest solids, can withstand a direct blast of 1kg of dynamite and protect against heat from a blowtorch at more than 1, 300C.

气凝胶，地球上最轻的固体物质之一，能够承受一公斤烈性炸药爆炸的直接冲击，能够抵御喷灯产生的1300度以上的高温。

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Rescuers are preparing to blast the barrier of the swelling dammed lake at Tangjiashan near Beichuan County with dynamite.

北川县城附近的唐家山堰塞湖水位不断上涨，抢险人员准备实施爆破、分流排水。

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Pakistan insisted the helicopter had encountered nothing more sinister than a blast of dynamite clearing a landslide-blocked road.

ECONOMIST: Delhi, and the Indo-Pakistani peace process, under attack | The