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Found 10 results

  1. The Zalam Kot Twin Tube Tunnel project on Swat Express Way near Chakdara being undertaken by FWO is 1300 meters long twin tube tunnel as part of Swat Motorway Project. Photo: ScreengrabMALAKAND: Chief of Army Staff (COAS) General Qamar Javed Bajwa...
  2. Elon Musk arrives to speak at Boring Company community meeting in Bel Air, Los Angeles, California, U.S. May 17, 2018-ReutersLOS ANGELES: Billionaire entrepreneur Elon Musk promised a cheering crowd on Thursday that his controversial dream of...
  3. Representational image. Photo: AFP China has announced it is building the world´s fastest wind tunnel to develop a new generation of super-fast airplanes, but it could also be used for hypersonic missile technology. Wind tunnels test how air will pass over a solid object, helping designers improve aerodynamics or reduce stress points for objects as they reach high speeds. State-run Xinhua news agency ran a report late Monday revealing the development of what it said would be "the world´s fastest hypersonic wind tunnel". "The 265-meter-long tunnel can be used to test hypersonic aircraft that can travel at speeds of up to 30,625 kph, 25 times the speed of sound," Han Guilai, a researcher with China´s State Key Laboratory of High Temperature Gas Dynamics at the Chinese Academy of Sciences, was quoted as saying. To compare, the current fastest generation of fighter jets can travel up to speeds of around 2.5 Mach. The revelation comes as the world´s leading military nations embark on a race to develop the next generation of hypersonic weapons, from missiles and spy planes to railguns that can beat conventional defence systems. Earlier this month Russia´s president Vladimir Putin boasted his nation had developed a new generation of "invincible" hypersonic missiles in his state of the nation address, sparking anger in the United States and other NATO countries. While experts are deeply skeptical about how close to operational such a missile might actually be, US officials in recent weeks have sounded growing alarm about the potential threat from hypersonic weapons -- defined as weapons that can travel at five times the speed of sound or more. Such weapons can beat regular anti-missile defences as they are designed to switch direction in flight and do not follow a predictable arc like conventional missiles, making them much harder to track and intercept. According to reports in the Japan-based Diplomat magazine, China has also developed -- and last year tested -- a new type of hypersonic missile called the DF-17. Though the Pentagon is warning about hypersonics, the United States has itself been developing the technology for years. The Air Force says its X-51A Waverider cruise missile, tested in 2012, could travel at speeds faster than Mach 6. The Xinhua report said the Chinese Academy of Sciences had already simulated a hypersonic plane flight in its current wind tunnel at speeds "ranging from Mach 5 and 9". "The new tunnel will aid the engineering application of hypersonic technology by duplicating the environment of extreme hypersonic flights. Once issues are discovered during these ground tests, they will be ironed out before test flights begin," Han was quoted as saying.
  4. Everybody knows about the Chunnel or the Channel Tunnel, an underwater railway tunnel that connects Kent, United Kingdom with Pas-de-Calais, France, via a super-fast "Eurostar" rail transport. Built in 1974 and Spanning a considerable distance of a little over 50 kilometres, the Chunnel is bone chilling for ones with claustrophobia and anxiety. Murder for ones with an over active imagination and a bathophobia (fear of depth), because its 75 metres or 250 feet under the sea. © Cnet Well, at least 37.9 kilometres of the 50 are under water, which entails an underwater travel time of about 20 minutes at up to a nauseating 300kmph. Ingenious, but freaky. But... did you know there's another underwater tunnel that runs longer and deeper under the sea bed and isn't located in Europe? Any guesses? Hint: It's in the land of Cherry Blossoms... That's right, Japan is home to the longest and deepest under water rail tunnel in the world called the Seikan. The Seikan Tunnel is about 53.85 kilometres long and 100 metres or 330 feet deep under the sea bed-- that's three kilometres longer and 25 metres or 80 feet deeper than the Chunnel. Does that make you shudder? © Tofugu The 91 metre long and 16 metre wide Seikan, that was built in 1988, connects Aomori Prefecture on Honshu Island with the Hokkaido Island using a unique dual gauge rail line system. This system facilitates the movement of the 320kmph super fast Shinkansen Bullet trains in the Seikan, since these special trains require broader gauges than the one used by freight trains passing though the tunnel. What's disappointing, though, is that even though these trains can go 20kmph faster than the Eurostar, their speed is limited to 160kmph (usual operating speed is 140kmph) in order to avoid potential derailing accidents for low speed freight trains in the vicinity. This is also why most freight trains operate at night time in the Seikan. Knowledge nugget: We might be seeing Shinkansen Bullet trains in India soon as PM Modi has already made a Rs. 8.6 trillion plan to revamp Indian railways by working with the Japanese on this project. Fingers crossed, and back to the under water railways... © Japan Rail Pass The only spots where the Chunnel shines brighter than the Seikan is the length of the railway portion that lies under the sea bed and the train operation speeds. The Chunnel extends up to 37.9 kilometres under water as opposed to the 23.3 kilometre long stretch of the Seikan. And, the Shinkansen trains operate at almost half the speed of the Eurostar. We aren't complaining, though, it is the longest undersea tunnel in the world... Another thing that might interest you, however, is that the longest underground tunnel in the world is Gotthard Base Tunnel, which is 57.09 kilometre long and about 24.5 kilometres deep below the earth's surface! Still not under water, though, wink wink! © Swissgateway
  5. Nahakki Tunnel on the Ghalanai-Mamad Gat Road. Photo: Twitter/Government of Pakistan GHALANAI: Chief of Army Staff General Qamar Javed Bajwa, Chief of Army Staff (COAS) inaugurated Ghalanai-Mohmand Gat road and Nahakki tunnel, Mohmand Agency, on Wednesday, according to Inter-Services Public Relations (ISPR). In the first phase of the project, 14 kilometres of the 41-km road has been completed, while work on remaining portion is in progress. The completed project besides facilitating locals/interagency travellers, trade also is a potential trade route with Afghanistan through Nawa pass. The project is being undertaken by Frontier Works Organization. COAS appreciated professional undertaking and quality of work done by the FWO. Speaking at the occasion, COAS thanked local tribesmen for their great support to Pakistan Army in getting rid of terrorists. He said the development projects are the actual prong towards achieving enduring peace and stability. Tribal elders thanked COAS for the provision of security and ongoing development projects. Khyber Pakhtunkhwa Governor Iqbal Zaffar Jhagra, Commander Peshawar Corps, and director general FWO were also present at the occasion. COAS inaugurated Army Public School and College (APS&C) at Kanju Garrison, Swat Cantt on Wednesday. Photo: ISPR Earlier in the day, COAS had visited Swat and inaugurated Army Public School and College (APS&C) at Kanju Garrison, Swat Cantt. "A state of the art infrastructure with a present capacity of 3,600 students, computer and science labs, auditorium, and sports stadium is a gift from Pakistan Army for resilient people of Swat in recognition of their contributions and sacrifices in defeating terrorism," the press statement by Army's media cell had stated.
  6. Prior to the construction of Lowari Tunnel, the area remained cut off from the rest of the country especially during the winter season. Photo: Geo News screen grab CHITRAL: The construction work of Lowari Tunnel, which connects Dir with Chitral, has been completed and Prime Minister Nawaz Sharif is expected to inaugurate it today (Thursday). Lowari Tunnel, which includes two tunnels (8.5 kilometres and 1.9 kilometres), access roads and 12 bridges (35km), is located on Nowshera-Mardan-Malakand-Chakdara-Chitral National Highway (N-45). Lowari Tunnel, which includes two tunnels, access roads and 12 bridges, is located on N-45 Highway. Photo: Geo News screen grab In a press release, the government stated that the tunnel is a gift to the local population. The project seeks to enhance economic growth through accelerated trade activity, generate employment opportunities for the locals, promote tourism and reduce travel time for passengers. Prior to its construction, the area remained cut off from the rest of the country especially during the winter season. The PM is also expected to address a public gathering at Chitral?s polo ground. [embed_video1 url=http://stream.jeem.tv/vod/d3ae7d553067d032b4db4012892125e6.mp4/playlist.m3u8?wmsAuthSign=c2VydmVyX3RpbWU9Ny8yMC8yMDE3IDU6NTc6MjQgQU0maGFzaF92YWx1ZT1iUzQrMURUS0JtQmRmS3ZaTnlCYkRBPT0mdmFsaWRtaW51dGVzPTYwJmlkPTE= style=center] In 2005, the construction work on the project was re-started during the tenure of Pervez Musharraf. However, the project faced funding issues when Pakistan Peoples Party was into power from 2008 to 2013. After being elected, the Pakistan Muslim League-Nawaz government had allocated about Rs23 billion for the mega project to complete the work. On Wednesday, the premier had inaugurated the newly established Riazuddin Sheikh Business and Trade Centre in Sialkot. Addressing the Sialkot Chamber of Commerce, the PM lashed out at his opponents. People of Pakistan knew who was conspiring against the country's development, he said. PM Nawaz lashes out at opponents demanding resignation PM inaugurated business and trade centre in Sialkot earlier ?Their target is only to remove Nawaz Sharif and then make their own way. They could not do it through the people's vote and are now looking for another way,? said the prime minister. "What corruption are they talking about?" wondered the prime minister, saying not a single penny from public funds has ever been misappropriated in his tenure. *Additional input from APP
  7. Security forces recovered a huge cache of weapons and ammunition near Kohat Tunnel and arrested two terrorists in an operation carried out as part of Operation Radd-ul-Fasaad, a statement by the Inter-Services Public Relations (ISPR) said. Taking action on an intelligence report, security forces found a large quantity of weapons and ammunition in a secret compartment at the bottom of a truck, said ISPR. Large quantity of weapons, ammo found by security forces The ammunition, which includes more than thousand types of pistols, 212 shotguns and SMGs, 105 automatic weapons and 7,000 rounds, was being moved from Darra Adam Khel to WANA by the terrorists. In early March, the Frontier Corps Balochistan recovered a large cache of arms and ammunition during a search operation at Chot Camp area in Quetta, the ISPR had said. Recovered ammunition included 4900 small machine gun rounds, 453 x 12.7 mm gun rounds, 140 AGL rounds and 24 hand grenades.
  8. ISLAMABAD: National Highway Authority has expedited work on the Lowari Tunnel on the direction of Prime Minister Nawaz Sharif and the project will be completed next month. Project Director Muhammad Ibrahim told APP that 94 percent work on the project has been completed at a cost of 21 billion rupees. After completion, Lowari Tunnel will provide round the clock travelling facility to the people of Chitral even during the harsh winter season. He said the Prime Minister will be requested to inaugurate the Lowari Tunnel next month. Terming it a gift of Prime Minister for people of Chitral, he said PML-N government after coming to power had approved additional funds for Lowari Tunnel to ensure its completion as early as possible.
  9. An emergency was declared Tuesday at the Hanford Nuclear Reservation in southeastern Washington after a portion of a tunnel that contains rail cars full of nuclear waste collapsed. Soil collapsed over a 20-foot square section of a tunnel that was storing contaminated material at Hanford -- a former nuclear weapons production site in the south-central part of the state. The collapse of the tunnel, made of wood and concrete, was spotted by workers doing routine surveillance. So far, radiation dangers and injuries appear to have been averted, but tests and monitoring are continuing, with emergency responders on the scene, according to US authorities. "This hasn't happened before," US Department of Energy spokesman Mark Heeter told the CNN. "There are various projects in this site and occasionally there is spread of contamination." But never, he said, has there been a tunnel collapse. Hours after the incident took place, authorities determined there was no initial evidence that workers were exposed to radiation or that there has been an "airborne radiological release." "All personnel are accounted for, there are no injuries," Hanford emergency centre spokesman Destry Henderson said. "There is no evidence of a radiological release." The accident sparked an alert at 8:26 AM, which prompted federal officials to activate an emergency operations centre at the breached tunnel.
  10. BEIJING: Twelve workers died following an explosion in a high-speed rail tunnel in southwestern China, state media said Wednesday, after rescuers spent over 14 hours searching the rubble for survivors. The blast occurred after gas filled the tunnel, which was being bored in the province of Guizhou, leaving 12 injured and 12 trapped, according to the official Xinhua news agency. Over 2,000 rescue workers searched the tunnel for survivors before ending the operation at 4:45 am Wednesday morning, it said. The cause of the accident is under investigation, the report said, adding that the tunnel was designed to pass through a coal seam. Read more: Four killed in suicide bomb attack on NATO convoy in Kabul: officials The country has been on a high-speed rail building spree for over a decade, putting up over 17,000 kilometres (10,500 miles) of the track at a rapid clip, raising concerns about corner-cutting. Industrial accidents are common in China, where safety regulations are often poorly enforced. In 2015, the country recorded 66,000 workplace deaths, according to the most recent government statistics.
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