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A revolutionary method to drastically reduce stray light on space telescopes

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VIDEO: At time passes, different stray light contributors (ghost) appear and disapear on the detector. The time of arrival is related to the optical path length, we can identify each contributor.
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Credit: Lionel Clermont / Centre Spatial de Liège / Université de Liège
A team of researchers at the Centre Spatial de Liège (CSL) of the University of Liège has just developed a method to identify the contributors and origins of stray light on space telescopes. This is a major advance in the field of space engineering that will help in the acquisition of even finer space images and the development of increasingly efficient space instruments. This study has just been published in the journal ....

Marc Georges , Lionel Clermont , Living Planet Program , Centre Spatial De Li , University Of Strasbourg , European Space Agency , Technology Readiness Level , University Of Li , Scientific Reports , Fluorescence Explorer , Satellite Missions Shuttles , Technology Engineering Computer Science , மார்க் ஜார்ஜ்கள் , வாழும் கிரகம் ப்ரோக்ர்யாம் , மையம் இடஞ்சார்ந்த டி லி , பல்கலைக்கழகம் ஆஃப் ஸ்ட்ராஸ்பர்க் , தொழில்நுட்பம் ரெடிநெஸ் நிலை , பல்கலைக்கழகம் ஆஃப் லி , அறிவியல் அறிக்கைகள் ,

Wireless and battery-free spintronic energy harvester | EurekAlert! Science News

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IMAGE: Schematic of the proof-of-concept demonstration of harvesting a wireless signal of 2.4 GHz using electrically-connected eight magnetic tunnel junctions
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Credit: S.Fukami
Researchers at the National University of Singapore (NUS) and Tohoku University have demonstrated that an array of electrically connected spintronic devices can harvest a 2.4 GHz wireless signal, which can be used to power and charge small electronic devices and sensors.
The researchers from NUS and Tohoku University have successfully synchronized the four electrically connected magnetic tunnel junction (MTJ), for the signal transmission at 2.4 GHz. Furthermore, the eight MTJs array was integrated with the conventional battery-free electronics to harvest a wireless signal of 2.4 GHz to a DC signal, which is used to power light emitting diodes (LED). ....

Hyunsoo Yang , Shunsuke Fukami , National University Of Singapore , Tohoku University , National University , Professor Hyunsoo Yang , Technology Engineering Computer Science , தேசிய பல்கலைக்கழகம் ஆஃப் சிங்கப்பூர் , தோஹோக்கு பல்கலைக்கழகம் , தேசிய பல்கலைக்கழகம் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் ,

Researchers use 'hole-y' math and machine learning to study cellular self-assembly

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IMAGE: Topology-based machine learning classifies how human cells organize into spatial patterns based on the presence of persistent topological loops around empty regions, which can be used to infer cellular behaviors.
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Credit: Wong lab/Brown University
PROVIDENCE, R.I. [Brown University] The field of mathematical topology is often described in terms of donuts and pretzels.
To most of us, the two differ in the way they taste or in their compatibility with morning coffee. But to a topologist, the only difference between the two is that one has a single hole and the other has three. There s no way to stretch or contort a donut to make it look like a pretzel at least not without ripping it or pasting different parts together, both of which are verboten in topology. The different number of holes make two shapes that are fundamentally, inexorably different. ....

Dhananjay Bhaskar , Iany Wong , William Zhang , Brown School Of Engineering , Brown University , Brown University Data Science Initiative , Soft Matter , Pablo Picasso , National Cancer Institute , Brown University Data Science , Cell Biology , Mathematics Statistics , Algorithms Models , Technology Engineering Computer Science , Biomedical Environmental Chemical Engineering , Robotry Artificial Intelligence , தனஞ்சய் பாஸ்கர் , வில்லியம் ஜாங் , பழுப்பு பள்ளி ஆஃப் பொறியியல் , பழுப்பு பல்கலைக்கழகம் , மென்மையான விஷயம் , பப்லொ பிகாஸொ , தேசிய புற்றுநோய் நிறுவனம் ,

Consumer views on using digital data for COVID-19 control

About JAMA Network Open: JAMA Network Open is the new online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication.
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David Grande , University Of Pennsylvania , What The Study Did , For The Media , Medicine Health , Infectious Emerging Diseases , Pulmonary Respiratory Medicine , Information Management Tracking Systems , Developing Countries , Technology Engineering Computer Science , டேவிட் கிராண்டே , பல்கலைக்கழகம் ஆஃப் பென்சில்வேனியா , என்ன தி படிப்பு செய்தது , க்கு தி மீடியா , மருந்து ஆரோக்கியம் ,

World first concept for rechargeable cement-based batteries

Imagine an entire twenty storey concrete building which can store energy like a giant battery. Thanks to unique research from Chalmers University of Technology, Sweden, such a vision could someday be a reality. Researchers from the Department of Architecture and Civil Engineering recently published an article outlining a new concept for rechargeable batteries - made of cement. ....

Emma Zhang , Luping Tang , Swedish Energy Agency Energimyndigheten , Chalmers University Of Technology , Department Of Architecture , Chalmers University , Civil Engineering , Professor Luping Tang , Rechargeable Concrete Battery , Swedish Energy Agency , Business Economics , Chemistry Physics Materials Sciences , Industrial Engineering Chemistry , Technology Engineering Computer Science , Civil Engineering , எம்மா ஜாங் , சால்மர்ஸ் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம் , துறை ஆஃப் கட்டிடக்கலை , சால்மர்ஸ் பல்கலைக்கழகம் , சிவில் பொறியியல் , வணிக பொருளாதாரம் ,