Japan revised the schedule of its space exploration plans on Tuesday, aiming to put a Japanese person on the moon by the latter half of the 2020s.
“Not only is space a frontier that gives people hopes and dreams but it also provides a crucial foundation to our economic society with respect to our economic security,” Prime Minister Fumio Kishida told a meeting to finalise the plan.
According to the draft schedule of the plan, Japan aims to put the first non-American on the moon as part of the Artemis programme, a U.S.-led initiative that aims to return astronauts to the moon.
The plan also spells out Japan’s aspirations to launch a probe to explore Mars in 2024, as well as to find ways to generate solar electricity in space.
Neigbouring China also aims to become a major spacefaring power by 2030, and it too plans to put astronauts on the moon, raising the prospect of an Asian space race.
In May, China became the second country to put a rover on Mars, two years after landing the first spacecraft on the far side of the moon.
Japan’s announcement of its space exploration targets comes a week after Japanese billionaire Yusaku Maezawa returned to earth after spending 12 days aboard the International Space Station, becoming the first space tourist to travel to the ISS in more than a decade.
(Reporting by Sakura Murakami; Editing by Robert Birsel)
Researchers at UBCO determine 'smart windows' can disinfect surfaces – Kelowna News – Castanet.net
A new study at the University of British Columbia Okanagan shines a light on how sunlight can be used to disinfect surfaces in your home or workplace.
The COVID-19 pandemic has magnified concerns over how buildings might influence the health of the people who live and work in them. There has been some attention paid to ventilation, cleaning and filtration, however, the importance of daylight has been ignored, until now.
The UBCO research shows daylight passing through smart windows results in almost complete disinfection of surfaces within 24 hours while still blocking harmful ultraviolet light.
Dr. Sepideh Pakpour, an assistant professor at UBCO’s School of Engineering tested four strains of hazardous bacteria—methicillin-resistance Staphylococcus aureus, Klebsiella pneumoniae, E. coli and Pseudomonas aeruginosa—using a mini-living lab set-up. The lab used smart windows, which tint based on outdoor light conditions, and traditional windows with blinds. Dr. Pakpour found that, compared to windows with blinds, the smart windows significantly reduce bacterial growth rate. In fact the smart windows blocked more than 99.9 per cent of UV light, but still let in short-wavelength, high-energy daylight which acts as a disinfectant. This shorter wavelength light effectively eliminated contamination on glass, plastic and fabric surfaces.
Traditional window blinds block daylight, therefore, preventing surfaces from being disinfected. Dr. Pakpour noted previous research shows 92 per cent of hospital curtains can get contaminated within a week of being cleaned.
“We know that daylight kills bacteria and fungi,” she says. “But the question is, are there ways to harness that benefit in buildings, while still protecting us from glare and UV radiation? Our findings demonstrate the benefits of smart windows for disinfection, and have implications for infectious disease transmission in laboratories, health-care facilities and the buildings in which we live and work.”
A study from the Harvard Business Review points to natural light and views being among the most sought after by potential employees. Combine that with a push for “healthy buildings” as part of the COVID-19 return to work and employers could benefit from installing smart windows.
“Our buildings need to go beyond sustainable and smart to become healthy and safe environments first and foremost,” says Dr. Rao Mulpuri, Chairman and CEO at View, the company partnering with UBC for this research. “Companies are grappling with how to bring their people back to the office in a safe way. This research provides yet another reason why increased access to natural light needs to be part of the equation.”
Studies have shown that pathogenic bacteria and fungi can survive on inanimate surfaces for prolonged periods, which can lead to disease transmission.
“With the rise of antimicrobial resistance, antibiotics are no longer a silver bullet in treating health-care-associated infections, which cause tens of thousands of deaths in the US each year,” says Dr. Tex Kissoon, Vice Chair of the Global Sepsis Alliance, UBC Children’s Hospital Endowed Chair in Acute and Critical Care for Global Child Health. “The potential for daylight to sterilize surfaces and avoid these infections altogether is promising and should be factored into health-care facility design.”
Dr. Pakpour presented her findings Wednesday at the international Healthy Buildings Conference in Amsterdam.
“Our findings demonstrate the benefits of smart windows for disinfection, and have implications for infectious disease transmission in laboratories, health care facilities and the buildings in which we live and work.”
Asteroid Bigger Than the Tallest Building on Earth Just Flew by Safely: Here's How People Are Reacting to… – Gadgets 360
An asteroid bigger than the tallest building on Earth safely flew by on January 19. The giant rock, named 7482 (1994 PC1), zipped past our planet, nearly 1.93 million kilometres away. That’s more than five times the distance between Earth and Moon. It has been classified as “potentially hazardous” because of its size and its regular close visits to our planet, and not because it poses any threat to us. The asteroid came closest to Earth at 3:21am IST.
Astronomers say this will remain the closest approach of the asteroid for at least the next 200 years. They added that regular close visits by this asteroid should not lead to fear among people as its trajectory has a margin of error of only 133km.
The rock was travelling at a speed of 19.56kmph, relative to Earth, when it flew by us. The considerable speed with which it was travelling should have enabled amateur astronomers to spot it. It should have appeared as a point of light in the night sky. Earth Sky has shared a video of the asteroid moving rapidly in the sky. It said the video was recorded in Puerto Rico and the asteroid was visible despite a Full Moon on January 18 (local time) since the Moon was at a good distance from the asteroid’s path. See the video below (published by kevinizooropa):
Many people shared their excitement on Twitter at being able to see the asteroid or even after simply knowing that something like this had happened.
“While we were busy surviving another day, another year, another job, an asteroid bigger than Burj Khalifa just passed by…Notice the shooting star, which steals the show. Money and jobs are the biggest distraction to our real growth and finding answers to our existence,” said a user.
While we were busy surviving another day, another year, another job, an #asteroid bigger than burj Khalipha just passed by… notice the shooting star which steals the show. Money and job is the biggest distraction to our real growth and finding answers to our existence. pic.twitter.com/QiiNrlQgdd
— $a£r Wadbudhe (@S_Bigfoot) January 18, 2022
Some users have also shared images of the asteroid.
Many just found an opportunity to have a little fun, now that the celestial event passed safely. Check out their reactions below:
The asteroid was discovered by Australian astronomer Robert McNaught in 1994.
Scientists study trajectory of meteorite that landed in B.C. in October – Red Deer Advocate
VANCOUVER — Scientistsstudying a meteorite that landed next to a British Columbia woman’s head last year say it was diverted to that path about 470 million years ago.
The small meteorite broke through a woman’s ceiling in Golden, B.C., in October, landing on her pillow, next to where she had been sleeping moments earlier.
Philip McCausland,a lead researcher mapping the meteorite’s journey, said Monday they know the 4.5-billion-year-old rock collided with something about 470 million years ago, breaking into fragments and changing the trajectory of some of the pieces.
McCausland, who’s an adjunct professor at Western University in London, Ont., said the meteorite is of scientific significance because it will allow scientists to study how material from the asteroid belt arrives on Earth.
“There’s 50,000 to 60,000 identified meteorites now in the world, but most have no context. We don’t know really where they came from,” he said.
“In cases where we have known orbits, where they were observed coming in well enough that we can reconstruct what the orbit was before it hit the Earth’s atmosphere, we can actually (determine) where they came from in the asteroid belt. Golden is one of those,” he said, referring to the location of where the meteorite landed.
Researchers determined the meteorite is an L chondrite, one of the most commonly found types of meteorites to fall to Earth. Despite this, he said only about five L chondrites have known orbits.
He said the Canadian team is now working with scientists in Switzerland, the U.K., U.S. and Italy to learn more about the meteorite and its path to Golden.
“We know we’re still going to get something interesting out of this,” McCausland said. “We actually do want to get a good handle on how things get delivered from the asteroid belt, and this is a useful part of putting that together.”
Most of the meteorite has been returned to Ruth Hamilton, the woman who had the close call, and McCausland said it’s up to her to decide what to do with it.
Whether she decides to keep, sell or donate the rock, he said there is cultural significance of the rock to Canada. If she sells it to an international buyer, she would be required to go through the exportation process, he said.
Hamilton said she hasn’t yet made up her mind on what to do with the meteor. It’s currently sitting in a safety deposit box.
“I don’t have any plans for it right now, but once they’re done analyzing it, I’ll get all the documentation that proves it’s a meteorite,” she said. “It’s going to be officially named the Golden Meteorite.”
Before her roof is permanently repaired this spring, Hamilton said she intends to remove the section where the meteorite crashed through to keep it preserved alongside the rock.
McCausland said the research will likely conclude in May, and the scientists will then publish their work in an academic journal.
“Whenever something like this happens, I like to tell people it could happen to any of us; anyone can find a meteorite. It’s unlikely one will crash through your roof, but it can happen,” McCausland said. “It’s nature and, if anything, it’s a reminder that we’re part of something bigger.”
Change your Perspective (Plastic use)
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