A new study from Humboldt-Universität zu Berlin has found how “ticklishness” is represented in the rat brain. The study has been published on 11th November 2016 in Science.
Of all physical sensations, ticklishness is perhaps the most mysterious. Why do we laugh in response to tickling? Why are certain body parts more ticklish? Why cannot we tickle ourselves? Indeed, the mystery of ticklish perception has been discussed for more than two millennia by great intellectuals including Aristotle and Charles Darwin. Despite such long-standing interest, the mechanism of ticklishness remained elusive.
The new study investigated tickling in rats. Earlier work had shown that young rats respond with 50 kHz ultrasonic “laughter-calls” to tickling by humans. In the novel study rats also reacted enthusiastically to the tickling: they emitted numerous calls. As judged by their calls, rats were most ticklish on the belly and underneath their feet. Rats often performed unsolicited joy jumps (Freudensprünge) after tickling, a behavior that can be seen in joyful subjects in various mammalian species. Rats also played with the researcher’s hand and chased it, and emitted similar calls during play.
“Neural correlates of ticklishness in the rat somatosensory cortex” by S. Ishiyama and M. Brecht in Science. Published online November 11 2016 doi:10.1126/science.aah5114
Earlier this year, we hosted a Game Changing Technology Industry Day for the aerospace industry, and in October our engineers and technologists visited Capitol Hill showcasing some of these exciting innovations. Check out these technology developments that could soon be making waves on Earth and in space.
With smartwatches, glasses, and headsets already captivating users around the world, it’s no surprise that the next evolution of wearable technology could be used by first responders at the scene of an accident or by soldiers on a battlefield. The Integrated Display and Environmental Awareness System (IDEAS) is an interactive optical computer that works for smart glasses.
It has a transparent display, so users have an unobstructed view even during video conferences or while visualizing environmental data.
And while the IDEAS prototype is an innovative solution to the challenges of in-space missions, it won’t just benefit astronauts – this technology can be applied to countless fields here on Earth.
Before astronauts can venture to Mars and beyond, we need to significantly upgrade our life support systems. The Next Generation Life Support project is developing technologies to allow astronauts to safely carry out longer duration missions beyond low-Earth orbit.
The Variable Oxygen Regulator will improve the control of space suit pressure, with features for preventing decompression sickness. The Rapid Cycle Amine technology will remove carbon dioxide and humidity and greatly improve upon today’s current complex system.
New Advanced Manufacturing Technologies (AMT), such as 3-D printing, can help us build rocket parts more quickly and aid in building habitats on other planets.
These manufacturing initiatives will result in innovative, cost-efficient solutions to many of our planetary missions. Back in 2014, the International Space Station’s 3-D printer manufactured the first 3-D printed object in space, paving the way to future long-term space expeditions.
The object, a printhead faceplate, is engraved with names of the organizations that collaborated on this space station technology demonstration: NASA and Made In Space, Inc., the space manufacturing company that worked with us to design, build and test the 3-D printer.
Large spacecraft entering the atmosphere of Mars will be traveling over five times the speed of sound, exposing the craft to extreme heat and drag forces. The Hypersonic Inflatable Aerodynamic Decelerator (HIAD) is designed to protect spacecraft from this environment with an inflatable structure that helps slow a craft for landing.
To get astronauts and other heavy loads to the surface safely, these components must be very strong. The inflatable consists of a material 15 times stronger than steel, while the thermal protection system can withstand temperatures over 1600°C.
For the Convective Heating Improvement for Emergency Fire Shelters (CHIEFS) project, we partnered with the U.S. Forest Service to develop safer, more effective emergency fire shelters for wild land firefighters.
Using existing technology for flexible spacecraft heat shields like HIAD, we are building and testing new fire shelters composed of stacks of durable, insulated materials that could help protect the lives of firefighters.
Real life is looking a bit more like science fiction as Human Robotics Systems are becoming highly complex. They are amplifying human productivity and reducing mission risk by improving the effectiveness of human-robot teams.
Our humanoid assistant Robonaut is currently aboard the International Space Station helping astronauts perform tasks.
A fleet of robotic spacecraft and rovers already on and around Mars is dramatically increasing our knowledge and paving the way for future human explorers. The Mars Science Laboratory Curiosity rover measured radiation on the way to Mars and is sending back data from the surface.
This data will help us plan how to protect the astronauts who will explore Mars.
Future missions like the Mars 2020 rover, seeking signs of past life, will demonstrate new technologies that could help astronauts survive on the Red Planet.
Currently, a satellite that is even partially damaged cannot be fixed in orbit. Instead, it must be disposed of, which is a lot of potential science lost.
Satellite Servicing technologies would make it possible to repair, upgrade, and even assemble spacecraft in orbit using robotics.
This can extend the lifespan of a mission, and also enable deeper space exploration.
Restore-L, set to launch in 2020, is a mission that will demonstrate the ability to grab and refuel a satellite.
Small satellites, or smallsats, are quickly becoming useful tools for both scientists and industry. However, the high cost of spacecraft avionics—the systems that guide and control the craft—often limits how and when smallsats can be sent into orbit by tagging along as payloads on larger launches.
Using Affordable Vehicle Avionics (AVA) technology, we could launch many more small satellites using an inexpensive avionics controller. This device is smaller than a stack of six CD cases and weighs less than two pounds!
After a JPL research team of modern-day alchemists set about mixing their own alloys, they discovered that a glass made of metal had the wear resistance of a ceramic, was twice as strong as titanium, and could withstand the extreme cold of planetary surfaces, with temperatures below -150 degrees Fahrenheit.
Bulk Metallic Glass (BMG) gears would enable mechanisms to function without wasting energy on heaters. Most machines need to maintain a warmer temperature to run smoothly, which expends precious fuel and decreases the mission’s science return.
By developing gearboxes made of BMG alloys, we can extend the life of a spacecraft and learn more about the far reaches of our solar system than ever before. Plus, given their extremely high melting points, metallic glasses can be cheaply manufactured into parts by injection molding, just like plastics.
Cryogenic propellant tanks are essential for holding fuel for launch vehicles like our Space Launch System—the world’s most powerful rocket. But the current method for building these tanks is costly and time-consuming, involving almost a mile of welded parts.
Advanced Near Net Shape Technology, part of our Advanced Manufacturing Technologies, is an innovative manufacturing process for constructing cryotanks, using cylinders that only have welds in one area.
This makes the tank lighter, cheaper, and safer for astronauts, as there are fewer potentially defective welds.
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The Cone Nebula from Hubble
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Marie Curie’s century-old notebooks are still radioactive, so they’re kept in lead-lined boxes for protection against radiation exposure.
Photo via: Wellcome Library, London
Anyone wishing to handle her notebooks, personal effects, or other items have to wear protective gear and sign a liability waiver, just in case. She basically walked around carrying radium and polonium in her pockets, so… yeah.
Photo via: Amanda Macias/Business Insider
Marie and her husband Pierre are buried in Paris’s Panthéon, a mausoleum in that contains the remains of distinguished French citizens — including philosophers Rousseau and Voltaire.
Source
When Camilla Parker Bowles, the Duchess of Cornwall, visited Abu Dhabi in 2016, she was the first member of the British royal family to be protected by an all-women security team. The women wore flowing, black hijabs, are all members of the UAE’s presidential guard, are highly skilled in martial arts and combat, and each one is hiding unidentified weapons on her person. Source
The last but not least of Assorted Planets Month!
And now to cool you all off with some “refreshing” rain!
This week’s entry: Planetary Rain
http://www.zmescience.com/other/science-abc/rain-titan-earth-neptune/
http://io9.com/on-jupiter-you-can-see-neon-rain-1640118403
When Camilla Parker Bowles, the Duchess of Cornwall, visited Abu Dhabi in 2016, she was the first member of the British royal family to be protected by an all-women security team. The women wore flowing, black hijabs, are all members of the UAE’s presidential guard, are highly skilled in martial arts and combat, and each one is hiding unidentified weapons on her person. Source
Pluto, 2006 (Red Filter).
Credit: NASA, ESA, A Stern, H Weaver and the HST Pluto Companion Search Team
Paris syndrome is a mental disorder experienced mostly by Japanese tourists who are disappointed when they visit the city for the first time. The shock of Paris not living up to their expectations can cause depression, sweating, anxiety, dizziness, hallucinations and delusions of persecution. The Japanese Embassy in Paris has a 24-hour hotline for those needing help, and up to 20 tourists a year are hospitalized. The usual treatment for Paris syndrome is ‘to go home.’ Source Source 2 Source 3
In Japan, some believe in a formless specter called Betobeto-san that follows you around at night. Its wooden sandals make a ‘beto-beto’ sound behind you, but when you turn around, nothing is there, and if you start walking again, the sound continues. However, if you step to the side of the road and say, 'After you, Betobeto-san,’ it will leave you alone. Source Source 2 Source 3
Here I have things and stuff I like. I'm 18 years old pup who loves space and sciece. You may find some fascinating things here.
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