Reinforced concrete is heavy and its steel skeleton vulnerable to rust. Now researchers have replaced the steel with carbon fibre mesh. The result is lighter and more flexible than standard concrete slabs.
An alternative to steel enforced concrete has taken out the German Future Prize 2016. Edging out the inventions of pinpointed laser light and efficient motors.
The US border agency has awarded contracts for construction companies to build non-concrete prototypes for the Mexican border wall. But the question of who will pay remains unanswered.
Japan's capital has held its first evacuation drill in decades, as residents scrambled for cover in subway stations and underground basements. Over 20 such drills have been held nationwide amid threats from North Korea.
Four escapees are being sought by Berlin police after breaking out of the city's Plötzensee jail. The quartet assigned to an auto workshop made a hole in a wall and slipped under a barbed wire fence.
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