There is no good place to be when a nuclear bomb goes off. Anything too close is instantly vaporized, and radiation can pose a serious health threat even at a distance. In between, there is another danger: the blast wave ...
General Physics
Jan 17, 2023
4
179
A new type of eco-friendly residential house made of bamboo now stands in Changsha, Hunan Province, China.
Engineering
Apr 8, 2009
1
0
Earth's average temperature in September 2023 was 1.75°C above its pre-industrial baseline, breaching (if only temporarily) the 1.5°C threshold at which world leaders agreed to try and limit long-term warming.
Plants & Animals
Oct 21, 2023
1
89
A concrete structure of three meters wide and over two meters high, placed by order of Augustus (adoptive son and successor of Julius Caesar) to condemn the assassination of his father, has given the key to the scientists. ...
Archaeology
Oct 10, 2012
0
0
The Story Bridge is 78 years old, the Sydney Harbour Bridge is hitting 95. Australian bridges are designed for a life span of 100 years.
Engineering
Oct 9, 2018
0
7
It's a most unlikely habitat and really has no creature comforts to recommend it. But University of Delaware researcher Julie Maresca and students in her lab are studying concrete and the life that stubbornly persists within.
Cell & Microbiology
Aug 4, 2021
0
399
When bridges, dam walls and other structures made of concrete are streaked with dark cracks after a few decades, the culprit is AAR: the alkali-aggregate reaction. AAR damages concrete structures all over the world and makes ...
Engineering
Nov 5, 2015
7
65
Self-compacting high-performance concrete (SCHPC) has till now suffered from one weakness – when exposed to fire it flakes and splits, which reduces its loadbearing capacity. Empa scientists have now developed a method ...
Engineering
Dec 22, 2015
0
39
(PhysOrg.com) -- When a series of rigorous simulated earthquakes - measuring up to a 7.5 magnitude - jolted the three-story, 1920s era reinforced concrete structure, UC San Diego engineers were not quite sure what would happen. ...
Engineering
Aug 25, 2009
0
0
Unfortunately, concrete does not last forever. The ravages of time also take their toll on concrete structures in Switzerland. Not only are reinforced structures like bridges affected, but also concrete buildings without ...
Engineering
Oct 5, 2018
1
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