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UNDERWATER TUNNEL
In 2016, Washington opened a 7,708-foot highway bridge that floats on Lake Washington; it broke the world record held by the bridge it replaced- In 1927, New York opened the Holland Tunnel with an innovative ventilation system; 84 fans still move air through its 8,500-foot twin tubes
- In 2018, China opened a crossing linking Hong Kong, Zhuhai and Macao with bridges and an undersea tunnel; the design avoided blocking major shipping lanes and airport flight paths
- India’s metro network is only 216 km short of US: From a single Kolkata line in 1984 to 1,170 km across 26 cities, next big expansion is already underwayMetro expansion news: India’s metro network has expanded significantly since 1984. The operational network now spans more than 1,155 km acr...19 Sep, 2026, 01.00 PM IST
- In 1892, engineers began the Chicago Canal to divert sewage using 42 million cubic yards of earth; more than a century later, it may help Asian carp reach the Great LakesIn 1885, Chicago undertook the monumental task of reversing its river flow to safeguard drinking water by rerouting sewage from Lake Michig...02 Sep, 2026, 03.30 PM IST
- Four friends entered a Utah cave in 2005 for an adventure, but a narrow underwater passage became their deadly trap inside the now-sealed ‘Cave of Death’Four young people entered a cave near Provo, Utah, in 2005 for an underground adventure but became trapped in a narrow, water-filled passag...02 Sep, 2026, 02.52 PM IST
- Global Market: Data centre boom fuels demand for power, cooling equipment suppliersThe global AI data centre boom is creating fresh opportunities for power and cooling equipment suppliers as developers race to overcome inf...02 Sep, 2026, 01.49 PM IST
- Not just Nvidia: These power and cooling firms are riding the trillion-dollar data centre boomGlobal data centre construction is accelerating to meet AI demand, and power and cooling equipment suppliers are seeing significant order i...02 Sep, 2026, 11.51 AM IST
- Not just Nvidia: these power and cooling firms are riding the trillion-dollar data centre boomMcKinsey forecasts nearly $7 trillion in data-centre investment globally by 2030; Nvidia last week said it expects AI spending to remain ro...02 Sep, 2026, 07.42 AM IST
- Deep beneath China’s seabed, workers spent 21 days underwater while building the world’s longest undersea high-speed rail tunnel, linking the Zhoushan islands with China's rail networkChina have completed an operation where workers spent 21 days underwater to replace 104 cutting tools on a giant tunnel boring machine deep...26 Aug, 2026, 07.28 PM IST
- In 1981, Britain wanted to eradicate the invasive coypus which escaped from fur farms and grew to roughly 200,000 in population and damaged crops and wetlands; after years of trapping Britain made them disappear from the countryBritain once had roughly 200,000 coypus after the rodents escaped from fur farms and spread across East Anglia, damaging crops and wetlands...23 Aug, 2026, 05.11 PM IST
- Assam gets Rs 8,970 crore 4-lane highway from Baihata Chariali to TezpurApproval from the Union Cabinet has been secured for the construction of the 4-lane Baihata Chariali–Tezpur Highway project, covering a str...06 Aug, 2026, 09.25 PM IST
- China develops world's first tunnel boring-and-blasting machine for mountainous terrainChina has unveiled an advanced hybrid tunnel boring and blasting machine that combines excavation with drilling and blasting techniques. Wi...04 Aug, 2026, 08.09 PM IST
- In 1974, a Spainish rancher imported 2,000 kg of American crayfish from Louisiana. 50 years later, it has become an invasion nobody could stopAn American red swamp crayfish invasion reshaped Spain's Guadalquivir River basin and Doñana National Park. This destructive biological inv...04 Aug, 2026, 02.34 PM IST
- Snakes once had legs: Here's how they lost them 100 million years agoHow snakes lost their legs: A buried skull in Patagonia, a broken genetic switch, and the ghost legs still hiding inside pythons, scientist...30 Jul, 2026, 04.59 PM IST
- In Istanbul, commuter trains run 60 meters beneath the sea through the deepest immersed tunnel ever sunk, the first rail link joining Europe and Asia under the BosphorusIstanbul's Marmaray Tunnel serves as a vital link between Europe and Asia, effectively slashing commute times for thousands. This remarkabl...29 Jul, 2026, 06.04 PM IST
- In 1969, four scientists entered an underwater lab to test long-term life beneath the sea; 60 days and a 19-hour decompression later, all emerged safelyFour scientists lived underwater for sixty days in 1969. This mission studied marine life and human endurance in isolation. The habitat was...29 Jul, 2026, 04.30 PM IST
- In 1628, Sweden's pride became one of history's most famous shipwrecks in just 20 minutesSweden's powerful Vasa warship sank on its maiden voyage in 1628. The ship was found in 1956 after a two-year search. Divers raised the Vas...25 Jul, 2026, 12.05 AM IST
- Cabinet allocates over Rs 18,600 crore for India's first underwater twin tube tunnel in Assam ahead of pollsAssam underwater tunnel news: India's first underwater twin tube railway project has received Union Cabinet approval. This new project will...14 Feb, 2026, 05.54 PM IST
- Underwater Tunnel Aquarium Expo with 180-degree view opens in Hyderabad: Here are detailsThe expo features a massive aquarium with a 180-degree view that allows visitors to see the marine life from different angles. The aquarium...17 Apr, 2023, 01.34 PM IST
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