资讯

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Roman concrete, in ...
Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can be found in ...
The Colosseum, inaugurated in A.D. 80, seated 50,000 and hosted gladiatorial games, ritual animal hunts, parades and executions. Tiziana Fabi / AFP / Getty Images The Romans started making concrete ...
The Roman Empire may be long gone, but its architecture has stood the test of time — most notably, its insanely durable concrete, which has been hailed as the world's strongest. The building material, ...
In June, the Italian Ministry of Culture announced the excavation of a new room, not yet open to the public, in the ruins of Pompeii. A few weeks later, a group of archaeologists gathered to marvel at ...
Yale University's Art and Architecture Building, designed by Paul Rudolph and completed in 1963, is a prime example of Brutalist architecture. Courtesy of Lauren Manning/Flickr Roman Mars’ podcast 99% ...
MIT chemist Admir Masic really hoped his experiment wouldn’t explode. Masic and his colleagues were trying to re-create an ancient Roman technique for making concrete, a mix of cement, gravel, sand ...
Concrete is today’s most popular building material. In fact, it’s consumed in greater quantities than any substance on earth, second only to water. But it’s easy to abuse. Consult anyone’s list of the ...