By Sara Fathima
July 25, 2022
Marvels by Engineers
By: Charles Ellis, Irving Morrow, & Joseph Strauss The 13th tallest bridge in the world, located in San Francisco, with approximately 600,000 rivets in each of its towers. It took four years to build this wonder of the modern world.
Image source: Pexels
By: NASA, Rocosmos, JAXA, ESA, & CSA The ISS weighs about 420,000 kilograms and flies through space roughly 250 miles from Earth. It goes around the world every 90 minutes at 5 miles per second. It takes a spacecraft 6 hours to reach ISS from the earth.
Image source: NASA
By: Norman Foster & Michel Virlogeux This tallest bridge in the world stands at 343 metres and cost 300 million euros to build. It was designed to reduce congestion during summers when tourists travel from France to Spain.
Image source: Pixabay
By: Rangger Elevator Company Is the highest and fastest sightseeing elevator in the world that transports passengers 326 metres up the side of the mountain in the Wulingyuan Scenic Area. It took three years to build this marvel.
Image source: Wikimedia Commons
By: Eurotunnel & The Anglo-French Consortium Is a tunnel with the longest undersea portion in the world, connecting England and France beneath the English Channel. It took 6 years and £4.65 billion to build this tunnel that allows the movement of trains and vehicles.
Image source: Wikipedia
By: Henry J Kaiser & Gordon Kaufmann An arch-gravity dam built on the Colorado River on the border between Arizona and Nevada during the Great Depression to provide electricity and control floods. The dam is 221 metres tall and 379 metres long.
Image source: Pexel
By: Skidmore, Owings & Merrill, & Hyder Consulting The world’s tallest building! It required more than 110,000 tons of concrete, 55,000 tons of steel rebar, and 22 million human hours to complete the project.
Image source: Pexel
By: Seshadri Srinivasan The first cable-stayed bridge to be built over the Arabian Sea using prestressed concrete steel overpass and specialised geometry to accommodate the geology of the sea bed. The sea link is earthquake resistant up to 7.0 Richter scale.
Image source: Pexel