41 weird objects seen on Mars, explained Curiosity looked up in late May to capture these noctilucent clouds floating by. NASA/JPL-Caltech It’s just another twilight on Mars. You’re a rover, kicking back after a long day of science, gazing up at the clouds. Sometimes it’s the simple moments that are the most stunning.NASA’s Curiosity rover has been in skygazing mode lately, sending back ethereal visions of noctilucent (night shining) clouds. Curiosity team member Claire Newman highlighted the rover’s late-May sky view in a mission update on Wednesday. Mars rovers NASA Space The night-shining clouds are beautiful, but they can also tell scientists a lot about what’s happening up above the rover, including how much water vapor there is in atmosphere. Curiosity isn’t the only NASA machine that enjoys a bit of cloud-watching. The InSight lander shared some soothing cloud images earlier in the year. Curiosity is currently checking out a clay-rich area in the Gale Crater and recently sent back a fresh selfie. So what’s next? More science and more beautiful days on Mars. Sci-Tech 0 Post a comment Share your voice The noctilucent clouds are “so high that they’re still illuminated by the sun, even when it’s night at the surface and any lower cloud layers are already in shadow,” Newman wrote. Mars is heading into a cloudy season, making this a prime time for watching the atmosphere.Image processors Justin Cowart and Seán Doran gifted us a video version of the recent clouds that makes it feel like you’re standing on Mars. Tags See wispy clouds drift across the sky on Mars NASA’s Insight sees cloudy days on Mars, so why does it never rain? More clouds on Mars 43 Photos
A group of Rohingya refugee people walk in the water after crossing the Bangladesh-Myanmar border in Teknaf. Photo: ReutersAl Qaeda militants have called for support for Myanmar’s Rohingya Muslims, who are facing a security crackdown that has sent about 400,000 of them fleeing to Bangladesh, warning that Myanmar would face “punishment” for its “crimes”.The exodus of Muslim refugees from Buddhist-majority Myanmar was sparked by a fierce security force response to a series of Rohingya militant attacks on police and army posts in the country’s west on 25 August.The Islamist group behind the 11 September 2001, attacks on the Untied States issued a statement urging Muslims around the world to support their fellow Muslims in Myanmar with aid, weapons and “military support”.”The savage treatment meted out to our Muslim brothers … shall not pass without punishment,” al Qaeda said in a statement, according to the SITE monitoring group.”The government of Myanmar shall be made to taste what our Muslim brothers have tasted.”Myanmar says its security forces are engaged in a legitimate campaign against “terrorists”, whom it blames for attacks on the police and army, and on civilians.The government has warned of bomb attacks in cities, and al Qaeda’s call to arms is likely to compound those concerns.”We call upon all mujahid brothers in Bangladesh, India, Pakistan, and the Philippines to set out for Burma to help their Muslim brothers, and to make the necessary preparations – training and the like – to resist this oppression,” the group said.
Share To embed this piece of audio in your site, please use this code: 00:00 /19:43 We’re down to the final days in the state legislative session. The House passed a pair of flood control bills, providing up to $3 billion in funding. And there’s the usual flurry of activity in the final days of the regular session.In the audio above, we discuss that and other developments of recent days in politics with University of Houston lecturer and political analyst Nancy Sims and University of Houston political science professor Brandon Rottinghaus. Listen X
Citation: Unmanned U.S. frigates to stalk submarines (w/ Video) (2010, February 4) retrieved 18 August 2019 from https://phys.org/news/2010-02-unmanned-frigates-stalk-submarines-video.html (PhysOrg.com) — In the U.S. the Defense Advanced Research Projects Agency (DARPA) is planning to introduce unmanned frigates for long missions shadowing diesel-electric submarines. The vessels, dubbed Anti-Submarine Warfare Continuous Trail Unmanned Vessels or ACTUVs, are designed to be unmanned, with only intermittent communication from operators on shore or on a ship, and to require no maintenance for months. They will also obey navigational rules and be able to avoid collisions at sea.The three main objectives of the program are to build an “X-ship” that operates without anyone stepping aboard at any point in its operating cycle, secondly to demonstrate the technical viability of the system under “sparse remote supervisory control”, and thirdly to demonstrate the anti-submarine capability of the vessel and its “novel suite of sensors”. The ACTUV is unlike other unmanned vessels in that it is designed for global, independent deployment for months at a time.Proponents claim crewless vessels would save the U.S. Navy money and free the expensive crewed ships from the routine work of continuously cruising the oceans shadowing submarines. The unmanned frigates would locate a submarine by “pinging’ with active sonar to detect the submarine’s echoes, which means those on the submarine would know they have been detected. While nuclear submarines may be fast enough to escape the stalking frigate, fast and quiet diesel-electric submarines would not. © 2010 PhysOrg.com Explore further More information: FBO announcement (pdf) Two Boeing X-45A Unmanned Jets Continue Coordinated Flights Other unmanned vessels are already in use, with Israel deploying Unmanned Surface Vehicles (USVs), mainly for surveillance purposes, and the U.S. Navy deploying unmanned drones from its submarines.DARPA is the research and development section of the U.S. Department of Defense, which is charged with the job of maintaining the U.S. military’s technological superiority and avoiding technological surprises that could threaten the nation’s security. It will host an unclassified “Industry Day” conference on the ACTUV program at the Liberty Conference Center in Arlington, Virginia on February 16 to discuss the program and address any questions. U.S. Navy combat ship Freedom (LCS 1). This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
The national Capital hosted a musical evening in association with Unicef to raise funds for Nepal quake victims on May 24.Bands like Beatitudes, Ghetto Children, Noida School of Rock, Techtronics, Project Rigden and others performed at the event which was held at Dzukou Tribal Kitchen, Hauz Khas Village.“Nepal has always been close to my heart and