Within a decade, a very rare hydrothermal mineral called aluminum tobermorite (Al-tobermorite) had formed in the concrete. Al-tobermorite, long known to give Roman concrete its strength, can be made in the lab, but it's very difficult to incorporate it in concrete.
More info: #roman #concrete #strongFrance has the sixth largest defence budget in the world and the first in the European Union (EU). I ...
1 year agoThe Finnish passport is the joint third strongest in the world, allowing holders visa-free access to ...
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1 year agoA combination of training, tactics, discipline, intelligence and constantly adapting new tactics g ...
1 year agoThrough far-reaching military conquests and benevolent rule, Cyrus the Great transformed a small g ...
1 year agoThe combined total of Nato military personnel currently exceeds 5.4 million – around four times as m ...
1 year agoIf you've been pining for an epic international vacation but are feeling strapped for cash, look for ...
1 year agoWell-known Greek names such as Peter, Socrates, and Zeus are strong and powerful, while Aphrodite, A ...
1 year agoIn Greek mythology, Kratos (or Cratos) is the divine personification of strength. He is the son of P ...
1 year ago40 Unique Strong Girl Names • Ada – German meaning “noble” • Alexandra – Greek meaning “she saves ...
1 year ago"Ancient" is the key word in these Roman structures, which took a long, long time to develop their s ...
1 year ago How many lives were lost at the Colosseum?A high death toll It was used for entertainment (mostly fights, of course) for just shy of 400 ye ...
1 year ago How long did the Colosseum take to build?In fact, it took between six and eight years to build. The Romans were excellent builders and the Co ...
1 year ago Why was it called Colosseum?The original name "Flavian Amphitheatre" was changed to the Colosseum due to the great statue of Ner ...
1 year ago What is the biggest Colosseum?The Flavian Amphitheatre in Rome, more generally known as the Colosseum, is the archetypal and the l ...
1 year ago Can you wear shorts in the Colosseum?Shorts and a t-shirt, a loose dress or playsuit, or a pair of khakis paired with a linen shirt are a ...
1 year ago How much is a piece of the Colosseum worth?Taking the Colosseum's social value into account, the monument is worth nearly 77 billion euros ($78 ...
1 year ago Is the Colosseum still used today?While the Colosseum is the largest, it is not in use today, but it is still being restored - includi ...
1 year ago Could you fill the Colosseum with water?Romans relied on aqueducts to supply their city with water. According to an early Roman author, they ...
1 year ago Can you go to the bottom of the Colosseum?If you want to experience more of the Colosseum, you can visit the Arena Floor, the Underground, and ...
1 year ago