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1.8 billion pixels! Amazing new Mars panorama from Curiosity
The highest resolution panorama of Mars to date from the Curiosity rover has been released. — Curiosity Rover: Facts and Information: (https://www.space.com/17963-mars-curiosity.html)
Panorama in 360 video: youtu.be/0fva2pH41FM
Credit: NASA/JPL-Caltech/MSSS
Mars Helicopter Attached to Perseverance Rover for July Launch
With the launch period of NASA's Mars 2020 Perseverance rover opening in 14 weeks, final preparations of the spacecraft continue at the Kennedy Space Center in Florida. In the past week, the assembly, test and launch operations team completed important milestones, fueling the descent stage — also known as the sky crane — and attaching the Mars Helicopter, which will be the first aircraft in history to attempt power-controlled flight on another planet.
STORY — www.americaspace.com/2020/04/14/mars-helicopter-attached-to-perseverance-rover-for-july-launch-to-red-planet/
After the descent stage fueling, the system that will deliver the Mars Helicopter to the surface of the Red Planet was integrated with Perseverance. The helicopter, which weighs 4 pounds (1.8 kilograms) and features propellers 4 feet (1.2 meters) in diameter, is cocooned within the delivery system. In one of the first steps in the day-long process on April 6, technicians and engineers made 34 electrical connections between the rover, the helicopter and its delivery system on the rover's belly. After confirming data and commands could be sent and received, they attached the delivery system to the rover.
Finally, the team confirmed the helicopter could receive an electrical charge from the rover. Before being deployed onto the surface of Jezero Crater, the Mars Helicopter will rely on the rover for power. Afterward, it will generate its own electrical power through a solar panel located above its twin counter-rotating propellers.
The helicopter will remain encapsulated on the rover's belly for the next year and will be deployed around the beginning of May — roughly two-and-a-half months after Perseverance's landing. Once the rover drives about 330 feet (100 meters) away and the helicopter undergoes an extensive systems check, it will execute a flight-test campaign for up to 30 days.
The Perseverance rover is a robotic scientist weighing 2,260 pounds (1,025 kilograms). It will search for signs of past microbial life, characterize the planet's climate and geology, collect samples for future return to Earth and pave the way for human exploration of the Red Planet. No matter what day Perseverance launches during its July 17-Aug. 5 launch period, it will land on Mars' Jezero Crater on Feb. 18, 2021.
Credits: NASA
New devices morph and transform — like Iron Man's suit
BYU researchers unfold new class of mechanical devices
It took just over 10 years, but real science has finally caught up to the science fiction of Iron Man’s transforming exoskeleton suit. In a paper published Feb. 13, 2019, in Science Robotics, engineers at Brigham Young University detail new technology that allows them to build complex mechanisms into the exterior of a structure without taking up any actual space below the surface.
This new class of origami-inspired mechanisms, called “developable mechanisms,” get their name from developable surfaces, or materials that can take on 3-D shapes from flat conformations without tearing or stretching, like a sheet of paper or metal. They reside in a curved surface (like, say, the arms of Iron Man’s suit) and can transform or morph when deployed to serve unique functions. When not in use, they can fold back into the surface of the structure seamlessly.
“These new discoveries make it possible to build complex machines that integrate with surfaces to be very compact, but can deploy and do complex tasks,” said researcher Larry Howell, professor of mechanical engineering at BYU. “It opens up a whole new world of potential devices that have more functions, but are still very compact.”
Making hyper-compact mechanisms is something increasingly important as manufacturers across medical, space and military industries are constantly working to get more complex functionality in less space. Potential applications of developable mechanisms include:
• Medical: Surgical instruments that can both cut materials and deploy lights simultaneously during minimally-invasive surgery
• Vehicles and airplanes: Storage components that could deploy from the inner surface of the fuselage and be completely out of the way when not in use
• Military: Quad-rotor drones that have adjustable wing spans for fitting in tight spaces
• Space: Wheels that could deploy claws for rock crawling, which could be especially useful to an interplanetary rover.
This new class of mechanical structures evolved from Howell and colleague Spencer Magleby’s work on origami-based engineering, done in collaboration with origami artist Robert Lang. From solar arrays for NASA to bulletproof barriers for police officers, their work has generated national and international coverage. As the group of researchers moved to curved origami principles, the mathematics revealed a new way of doing more complex machines.
“Origami was a stepping stone to this,” Magleby said. “The art of Origami has inspired us to do things that don’t even look like Origami, yet it is the core of much of this new engineering.”
The new line of research is sponsored by the National Science Foundation and includes researchers at BYU, the University of Southern Indiana and Lang Origami.
“It’s pretty cool to accomplish things that have merely been science fiction in the past,” Howell said. “These are discoveries that will enable us to do things that no one has ever been able to do before. And we hope that other engineers, as they build on these discoveries, will apply them in ways that will help make the world a better place.
Video credits: Producer Julie Walker; Cinematography Brian Wilcox; Editor Hannah Hansen
News release written by Todd Hollingshead (BYU) See more at news.byu.edu/news/byu-researchers-unfold-new-class-mechanical-devices
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