Business Insider USA tourist at the Roman Pantheon on May 12, 2022. Scientists may have cracked the secrete of why ancient Roman concrete, used on this building, was so durable.Ancient Roman concrete is incredibly durable, even more so than modern concrete. One team may have cracked the mystery — focusing on tiny white flecks once seen as imperfections.
The general belief was that the lime was first mixed with water, before adding in the aggregates. The flecks were seen as a sign the mortar was not well mixed by the builders. After studying the flecks more closely, Masic and the team of scientists concluded that they were likely to have been put there on purpose. This, they found, was crucial to the self-healing property of the concrete.Scietnists have analysed the elements in this lump of concrete. A false color image shows a large lump of calcium, in red, on this image.Lime clasts — the white flecks — are quite brittle, and that's a good thing.
لقد قمنا بتلخيص هذا الخبر حتى تتمكن من قراءته بسرعة. إذا كنت مهتمًا بالأخبار، يمكنك قراءة النص الكامل هنا. اقرأ أكثر:
الإمارات العربية المتحدة أحدث الأخبار, الإمارات العربية المتحدة عناوين
Similar News:يمكنك أيضًا قراءة قصص إخبارية مشابهة لهذه التي قمنا بجمعها من مصادر إخبارية أخرى.
13 signs you're smarter than you think you are | Business InsiderSmart people tend to sell themselves short. But many intelligent people tend to have these traits in common. Did y’all get infiltrated by Buzzfeed?
مصدر: BISouthAfrica - 🏆 34. / 51 اقرأ أكثر »
Zebra meat should be on the braai, say Stellenbosch animal scientists | Business InsiderZebras produce some of the leanest meats in the world, with an average of 0.5g of fat per 100g and high levels of protein, zinc, iron, vitamin B12 and omega-3 fatty acids. BISouthAfrica This is a photo of a rare Cape Mountain zebra. There are only 1300 left in South Africa. Why must they be killed and eaten by humans? 😳😭 BISouthAfrica I don't quite know how I feel about this. My head says yeah it makes sense. My heart says but it's like eating my dog, then my head says but u eat ostrich.... BISouthAfrica Most people will hate me for saying this... But clealry the weather is changing, climate change wasn't a myth! Covid happened due to animal suffering... When will we learn? Let's educate ourselves... Let's stop eating meat!
مصدر: BISouthAfrica - 🏆 34. / 51 اقرأ أكثر »
Bill Gates is optimistic about the future of fake meat and plant-based foods | Business Insider'I think eventually these products will be very good even though their share is small today,' Gates said. Bill Gates is now completely out of touch with the realities here in SA. Advertising Windows 11 that need to run on laptops & desktop pc's while the electricity is off 1/2 day. PC's & laptops need inverters to function / charge. And USB power banks (5v 2.1A) can't power laptops. Me too Rra marete oo onyaka gore bolaya
مصدر: BISouthAfrica - 🏆 34. / 51 اقرأ أكثر »
Twitter deliberately suspended Tweetbot and other third-party apps, report says | Business InsiderA senior engineer at Twitter said suspensions of third party app were 'intentional,' The Information reported, citing internal messages. I know I'm not suppose to post this here, but I just want to help 50 persons on how to invest and make up to R80,000 within a week without sending money to anybody. If you're interested DM me on Whatsapp.. +27724670422 I know I'm not suppose to post this here, but I just want to help 50 persons on how to invest and make up to R80,000 within a week without sending money to anybody. If you're interested DM me on Whatsapp.. +27724670422 I know I'm not suppose to post this here, but I just want to help 50 persons on how to invest and make up to R80,000 within a week without sending money to anybody. If you're interested DM me on Whatsapp.. +27724670422
مصدر: BISouthAfrica - 🏆 34. / 51 اقرأ أكثر »
Taliban asks to keep getting UN aid money despite ending education for women | Business InsiderTensions have escalated between the United Nations and the Taliban in Afghanistan after they banned female education.
مصدر: BISouthAfrica - 🏆 34. / 51 اقرأ أكثر »