• 94 stories SPEED OF SOUND

6 days ago
NASA to build electric-powered airplane 'Maxwell'

Washington, June 18 (IANS) In a move to achieve more efficient, quieter and environmentally friendly aircraft compared to a conventional one, the US space agency has unveiled plans for an electric-powered airplane designated as X-57. With 14 electric motors turning propellers and all of them integrated into a uniquely-designed wing, NASA will test the new propulsion technology using X-57...

1 month ago
India successfully tests winged reusable launch vehicle

Sriharikota (Andhra Pradesh), May 23 (IANS) India on Monday successfully tested its home-grown winged reusable launch vehicle (RLV), demonstrating its space technology prowess and joining an elite club of space-faring nations like the US, Russia and France. We have successfully tested the first delta-winged-body aerospace vehicle operating in hypersonic flight regime, the Indian Space Re...

2 months ago
NASA gears up for NextGen supersonic X-planes

Washington, April 24 (IANS) The US space agency is preparing to put in the sky an array of new experimental aircraft -- known as X-planes and intended to carry on the legacy of demonstrating advanced technologies that will push back the frontiers of aviation. Called New Aviation Horizons, NASA's renewed emphasis on X-planes was announced as part of the US budget for the fiscal year that ...

2 months ago
Scientists record heat moving through materials at speed of sound

New York, April 16 (IANS) Providing unprecedented insight into roles played by individual atomic and nano-scale features, researchers have recorded the first-ever videos showing how heat moves through materials at the nano-scale travelling at the speed of sound. The groundbreaking videos were made using a state-of-the-art ultrafast electron microscope called FEI Tecnai Femto, which is ca...

3 months ago
Iron Fist fire power: A sonic boom from past echoing into the future

Pokharan (Rajasthan), March 20 (IANS) It started with a sonic boom, a Mig 29 breaking the sound barrier, sending a shiver down the spine of those witnessing it. The Iron Fist 2016, held in the barren desert at Pokharan test range in Rajasthan was a showcase of the past, present and future of the Indian Air Force (IAF). Pokharan is a name synonymous with nuclear tests for most peo...

3 months ago
Russia tests new hypersonic cruise missile

Moscow, March 17 (IANS) Russia launched its first tests of the new hypersonic Zircon anti-ship cruise missile, local media said on Thursday. The tests of the hypersonic Zircon missile have begun using a ground-based launching site, the RIA Novosti news agency quoted an unnamed high-profile defence industry source as saying. The characteristics of the new missile are classified, b...

3 months ago
New NASA probe to boost sonic boom investigation

New York, March 15 (IANS) A new air data probe by NASA may improve the investigation to control and lessen the noise of sonic booms so that the US federal regulators allow commercial supersonic flights soon. The Eagle Aero Probe is currently flying on the F-15B aircraft at NASA's Armstrong Flight Research Center in California and is seen affixed to a F-15B. The current six-fligh...

3 months ago
New wave equation developed for faster tsunami detection

New York, March 1 (IANS) Researchers from Massachusetts Institute of Technology (MIT) have identified a new and more reliable source of acoustic-gravity waves that may help scientists detect an upcoming tsunami early. Acoustic-gravity waves are very long sound waves that cut through the deep ocean at the speed of sound. These lightning-quick currents are typically triggered by violent ev...

3 months ago
NASA announces plans to build supersonic passenger jet

Washington, March 1 (IANS) US space agency NASA announced that it is planning to build a supersonic passenger jet which will be as quiet and efficient as possible, the media reported on Tuesday. NASA Administrator Charles Bolden on Monday said that it has awarded a first contract, worth $20 million, to the US company Lockheed Martin to develop a preliminary design of an aircraft which su...

6 months ago
Modified Indian combat jet to test-fire supersonic cruise missile next year

New Delhi, Dec 13 (IANS) They are both of Russian origin and are made in India. Some time next year, a modified combat jet will test-fire a supersonic cruise missile in what will amount to a quantum leap in the firepower of the Indian Air Force (IAF). This will also make the BrahMos nuclear-capable short-range missile, a joint project between India's Defence Research and Development Orga...

10 months ago
New technology may reduce wind energy costs

London, Aug 15 (IANS) The efficiency of wind turbines can be increased and repair costs reduced through a new technique developed by engineers from the University of Sheffield. The novel technique can predict when bearings inside wind turbines fail which could make wind energy cheaper. Unexpected bearing failures are a common problem in wind turbines. By removing the risk...

11 months ago
US military developing hypersonic jet

Washington, July 6 (IANS) Giving more teeth to its combat prowess, the US military is reportedly developing a hypersonic jet plane that could soar at up to five times the speed of sound. The jet will be faster than a bullet, which generally travels at Mach 2, or twice the speed of sound. The new hypersonic vehicle, which could take flight by 2023, builds upon research from a 2013...

1 year ago
New antenna to make spaceship landing safer

New York, June 21 (IANS) There's a new way now to maintain communication with spacecraft -- sometimes lost for several moments -- as they re-enter the atmosphere. The key lies in tweaking with the antenna, the researchers said. Even routine communication blackouts with a returning spacecraft can create moments of anxiety as there is no way to know or control the location and stat...

1 year ago
NASA successfully tests 'flying saucer' for Mars mission

Washington, June 9 (IANS) After a series of weather-related delays, NASA has successfully tested its revolutionary flying saucer that will help land heavier payloads on the surface of long-distance planets, including Mars. NASA's Low-Density Supersonic Decelerator (LDSD) project completed its second flight test when the saucer-shaped craft splashed down safely in the Pacific Ocean off th...

1 year ago
NASA to build eco-friendly, supersonic jets

New York, June 8 (IANS) The US space agency NASA said it is spending over $6 million to fund research into cheaper and greener supersonic travel, reported Quartz. While modern fighter jets can fly faster than the speed of sound, the environmental impact is relatively small as not many fighter jets are in operation at a given time. However, the impact on environment would be massi...

1 year ago
Weather plays killjoy for NASA's flying saucer launch

Washington, June 6 (IANS) First high waves in the Pacific Ocean and now ill winds are playing spoilsport for the launch of NASA's flying saucer from a test range in Hawaii. NASA had to postpone the balloon-borne launch of its rocket-powered craft from a test range in Hawaii repeatedly due to weather concerns, NBCNews.com reported. The saucer-shaped Low Density Supersonic Decelera...

1 year ago
A plant that leads to diamond deposits

New York, May 11 (IANS) A geologist has found a rare African plant that prefers to grow on diamond-bearing kimberlite rocks. The plant, identified as Pandanus candelabrum, is the first indicator species for diamond-bearing rocks, Stephen Haggerty, researcher at Florida International University in Miami, told Science magazine. The thorny, palmlike plant in Liberia grows on top of kimberli...

1 year ago
India to test flight reusable rocket soon

New Delhi, March 4 (IANS) India will conduct a test flight of a reusable launch vehicle by the second quarter of this year to reduce the cost of satellite launches, union minister Jitendra Singh said on Wednesday. Replying to a question in the Lok Sabha, the minister of state for department of space said the rocket's 1.5-tonne technology demonstrator would be lofted to a height of 70 km ...

1 year ago
In a first, Hawking radiation mimicked in lab settings

London, Oct 14 (IANS) Scientists have created a lab-scale imitation of a black hole that emits Hawking radiation - the particles predicted to escape black holes due to quantum mechanical effects. Such objects could one day help resolve the so-called 'black hole information paradox' - the question of whether information that falls into a black hole disappears forever, a report in the jour...

1 year ago
Scientists reveal weather map, trace water on exoplanet

Washington, Oct 10 (IANS) Using the NASA Hubble Space Telescope, a team of scientists including an Indian-origin researcher has made the most detailed map ever of the temperature of an exoplanet's atmosphere and traced the amount of water it contains. The planet targeted for both the investigations was the hot-Jupiter exoplanet WASP-43b. WASP-43b is a planet the size of Jupiter b...

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