07 Dec 2022
Magnetic nozzle plasma thrusters are thought of as the future of space travel. But one problem has hampered their development – plasma detachment. A recent study has shown that spontaneously excited plasma waves help magnetic nozzles overcome the plasma detachment problem, a rare instance of plasma instabilities having a positive effect on engineering.
11 Nov 2022
Space missions already use electric propulsion devices, where electromagnetic fields are utilized to generate the thrust of spacecraft. One such electrodeless device, which harnesses radio frequency (rf) to generate plasma and a magnetic nozzle (MN) to channel and accelerate plasma, has shown immense promise in pushing the boundaries of space travel. But scientists have so far failed to achieve efficient conversion of the rf power to thrust energy. Now, a Tohoku University researcher has achieved a 30% conversion efficiency, the biggest rate to date.
26 Oct 2022
Plastic sheets coated with an Eu3+ film that converts UV light to red light were able to accelerate growth of vegetal plants and trees.
06 Oct 2022
Low concentrations of cetylpyridinium chloride, an antimicrobial agent present in mouthwashes, inhibit the infectivity of four variants of SARS-CoV-2.
27 Sep 2022
Osaka University researchers showed how to use laser beam interference to construct chiral structures. By using computer simulations, they were able to predict the final light pattern and optical radiation force distribution of any collection of light sources. This work may lead to cheaper optical devices and sensors.
13 Sep 2022
Demonstration of embodied cognition mechanisms in the brain could have implications for artificial intelligence.
08 Sep 2022
Researchers study sex-determination in birds using primordial germ cells and RNA-sequencing analysis.
04 Aug 2022
When the evolution of towns and of roads are modeled together, the natural landscape alone is enough to predict the actual arrangement of real towns.
22 Jul 2022
Osaka University researchers designed a silicon-based agent that successfully generated hydrogen continuously in the mouse gastrointestinal tract in an ulcerative colitis (UC) model. The hydrogen served as an antioxidant that could eliminate the reactive oxygen species shown to induce the chronic inflammation responsible for the damage and symptoms caused by UC. Mice given the agent had reduced hemorrhage, inflammation, and hyperexcitability in the brain area associated with visceral pain and discomfort. These results may help with the development of a novel treatment for UC.
21 Jul 2022
Methane emitted from cows is a significant source of greenhouse emissions. Now, a collaborative project has used biomarkers to tell us more about the metabolic and nutritional characteristics linked to enteric methane emissions in Japanese Black cattle.
19 Jul 2022
Solar panels often get a bad rap for spoiling the appearance of homes and businesses. Yet, a research group has fabricated a highly transparent solar cell with a 2D atomic sheet. These near-invisible solar cells achieved an average visible transparency of 79%, meaning they can, in theory, be placed everywhere—building windows, the front panel of cars, and even human skin.
19 Jul 2022
A research group has successfully synthesized a ‘half-metal’ material, achieving a rare feat in the pursuit of zero magnetization. The new material will enhance the performance of electronic devices thanks to the unique behavior of its spin.
01 Jul 2022
Researchers report a new, minimally invasive, antibody-based detection method for SARS-CoV-2 that could lead to the blood sample-free detection of many diseases
30 Jun 2022
A research team led by Osaka University realized magnetic reconnection driven by electron dynamics in laser-produced plasmas and measured the pure electron outflows. Their findings will be applied not only to space and astrophysical plasmas, but also to magnetic propulsion and fusion plasmas.
27 Jun 2022
Osaka University researchers studied the effect of the “attitudes” of a semi-autonomous telepresence robot on its human operator. They found that when a person controlled only a part of the body of a semi-autonomous robot, its expressed opinions affected him or her. This work may help assist in the development of new semi-autonomous robots to perform labor more efficiently.
24 Jun 2022
Automation in disease diagnosis is reliant on deep learning models that can accurately and efficiently identify measurements of tumors, tissue volume, or other sorts of abnormalities. Now, researchers from Tohoku University have unveiled a new, resource-light model capable of identifying many common eye diseases.
20 Jun 2022
Researchers from the Institute of Industrial Science, The University of Tokyo, have developed a model to explore carbon storage in mangrove forests.
31 May 2022
Scientists have described the youngest therizinosaur fossil from Japan and the first in Asia to have been found in marine sediments.
25 May 2022
Researchers in Japan demonstrated the benefits of a new non-radioactive, neutral negative staining reagent by imaging viruses at nanometer-scale.
18 May 2022
A study by Japanese researchers showed that getting a mild case of COVID-19 doesn’t translate to lower chances of becoming a long-hauler. And that sex and the presence of long-term symptoms are risk factors for post-COVID psychological distress.
26 Apr 2022
Using muonic x-rays from a high-energy accelerator and a technology used for astronomical observations, researchers can now see the elemental makeup of sensitive samples without damaging them.
31 Mar 2022
A collaborative research project has investigated the physiological changes in Japanese Black cattle during their unique feeding process, paving the way for evaluating their metabolic status and an even tastier cut of meat.
30 Mar 2022
A simulation of stakeholder interactions around geothermal development in Japan provides an agent-based modeling tool for understanding how achieving community consensus is achieved.
02 Mar 2022
A team of researchers at Tohoku University have developed a simple lab-based system for growing human muscle cells that are capable of vigorously contracting.
17 Dec 2021
The discovery of the first millipede with more than 1,000 legs is reported in Scientific Reports this week. Prior to this, no millipede had been found with more than 750 legs.
03 Dec 2021
Two-dimensional materials exhibit highly desirable properties for advanced technologies, such as flexibility, superconductivity and more. Yet the mechanism by which they become has eluded scientists for some time. Through a novel monitoring and analysis method, researchers have revealed a critical mechanism in the development of 2D monolayer transition metal dichalcogenide.
19 Nov 2021
Feeling unsure of yourself? Your brain’s background noise may be interfering with the long memory signals communicated by your neurons’ electrical chatter.
16 Nov 2021
Scientists are turning to genomics to better understand the epidemiology of malaria and to inform control and elimination interventions and strategies. In the Lake Victoria region of Kenya, malaria burden remains very high despite more than a decade of intense control activities. A team of researchers from Osaka City University, Nagasaki University, London School of Hygiene and Tropical Medicine, and Mount Kenya University generated whole Plasmodium falciparum genome sequences from the lake region. Their analyses revealed that malaria parasites from this region appear distinct from other parasites from East Africa, while frequencies of known drug resistance markers were similar to those in other East African parasite populations. Their findings will help to develop improved surveillance tools to determine parasite transmission routes and aid clinical disease management.
20 Oct 2021
Just as humans may leave their home five minutes early to avoid a talkative neighbor or depart work late to avoid a rude coworker, carnivorous mammals may go out of their way to avoid other species. But they’re not trying to navigate awkward social interactions; rather, they are negotiating space and resources for survival.
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Giants in history
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