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Revolutionary Neuromorphic Visual Sensor Accurately Detects and Predicts Moving Objects with Hidden Information
A new bio-inspired sensor can recognise moving objects in a single frame from a video and successfully predict where they will move to.
A team of researchers at Aalto University has developed a new bio-inspired sensor that can detect moving objects in a single video frame and predict their path. This smart sensor is based on neuromorphic vision technology that integrates sensing, memory, and processing in a single device. It can be used in various fields, including automatic inspection, industrial process control, robotic guidance, and autonomous driving technology.
The sensor’s core technology is an array of photomemristors, electrical devices that produce electric current in response to light. This allows the sensor to “remember” whether it has been exposed to light recently. As a result, the sensor doesn’t just record instantaneous information about a scene but also includes a dynamic memory of the preceding instants. This is similar to how the human visual system works.
The sensor’s ability to integrate a series of optical images in one frame is unique. The information of each image is embedded in the following images as hidden information. The final frame in a video, therefore, has information about all the previous frames. This allows the system to detect motion earlier in the video by analyzing only the final frame with a simple artificial neural network.
To demonstrate the technology, the researchers used videos showing the letters of a word one at a time. The photomemristor array could use hidden information in the final frame to infer which letters had preceded it and predict what the word was with nearly 100% accuracy. In another test, the team showed the sensor videos of a simulated person moving at three different speeds. The system was able to recognize motion by analyzing a single frame and predict the next frames accurately.
The accuracy of detecting motion and predicting where an object will be are essential for self-driving technology and intelligent transport. Autonomous vehicles need accurate predictions of how cars, bikes, pedestrians, and other objects will move to make the right decisions. By adding a machine learning system to the photomemristor array, the researchers showed that their integrated system can predict future motion based on in-sensor processing of an all-informative frame.
The researchers believe that their integrated system provides new opportunities in autonomous robotics and human-machine interactions. The in-frame information obtained using photomemristors avoids redundant data flows, enabling energy-efficient decision-making in real-time.
https://q5i.09c.myftpupload.com/category/science/
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Urbanism
The Legacy of Goodyear Rubber Company: Pioneers of West Coast Tire Manufacturing
“Discover the legacy of Goodyear Rubber Company, the pioneers of West Coast tire manufacturing in Los Angeles.”
The Goodyear Rubber Company, situated at 6701 South Central Avenue in Los Angeles, played a pivotal role in shaping the West Coast’s tire manufacturing industry. As the first tire company in the region, Goodyear paved the way for other manufacturers to establish their presence, leading to the growth of a thriving rubber industry in Los Angeles.
Historical Significance
Goodyear Rubber Company’s establishment on the West Coast marked a significant milestone in the region’s industrial development. By the mid-1920s, the company’s success inspired other tire manufacturers to set up facilities in the area. This, in turn, led to the emergence of support industries and plants, creating a robust ecosystem that provided materials, services, and equipment. By 1928, Los Angeles became the second-largest rubber manufacturing center in the United States, thanks to Goodyear and three other major rubber companies.
Goodyear-California’s Growth
Despite occasional economic setbacks, Goodyear-California continued to expand and meet the expectations of its parent company in Akron. By 1941, the Goodyear-California plant was supplying 11 western states, Alaska, and Hawaii with a remarkable daily production of 15,000 tires. The plant employed between 1,500 to 2,500 workers, contributing significantly to the local economy. Its success not only manifested Goodyear’s commitment to innovation and quality but also solidified Los Angeles’ position as a vital hub for rubber manufacturing.
End of an Era
Sadly, in February 1979, after facing financial difficulties, the Goodyear-California Complex was forced to close its doors. However, the impact of this pioneering company remains etched in the memories of those who witnessed its existence. The facility went on to serve as a filming location for movies and TV shows until it was eventually demolished in the mid-1980s.
The Goodyear Rubber Company’s legacy in Los Angeles is one of innovation, growth, and economic significance. As the first tire manufacturer on the West Coast, it laid the foundation for the thriving rubber industry that followed. The Goodyear-California plant’s contributions to both the local and national economy will long be remembered and celebrated.
Link to info about Goodyear Los Angeles referenced in this article: https://www.loc.gov/item/ca1293/
The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/
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3 innovative ways to help countries hit by climate disasters, beyond a loss and damage fund
Erin Coughlan de Perez, Tufts University
These days, it’s hard to escape news stories discussing how climate change is contributing to extreme weather disasters, including the recent U.S. hurricanes. Aid agencies are increasingly worried about the widespread damage.
A growing question as these disasters worsen in a warming world is how to pay for recoveries, particularly in poorer countries that have contributed the least to climate change.
I am a climate scientist who researches disasters, and I work with disaster managers on solutions to deal with the increasing risk of extreme events. The usual sources of disaster aid funding haven’t come close to meeting the need in hard-hit countries in recent years. So, groups are developing new ways to meet the need more effectively. In some cases, they are getting aid to countries before the damage occurs.
Disaster aid funds aren’t meeting growing need
Countries have a few ways that they typically send money and aid to other countries that need help when disasters hit. They can send direct government-to-government aid, contribute to aid coordinated by the United Nations, or support disaster response efforts by groups like the International Red Cross and Red Crescent Movement.
However, the support from these systems is almost never enough.
In 2023, the amount of humanitarian funding through the U.N. was about US$22 billion. The U.N. Office for the Coordination of Humanitarian Affairs estimated that countries hit hard by disasters actually needed about $57 billion in U.N. humanitarian aid. This does not even include the costs borne directly by disaster-affected people and their governments.
https://datawrapper.dwcdn.net/LO7Uw/1
To help address damages specifically from climate change, the global community agreed at the U.N. climate conference in 2022 to create a new method – a Loss and Damage Fund. Loss and damage is generally defined as consequences of climate change that go beyond what people are able to adapt to.
The goal of the fund is for countries that historically have done the most to cause climate change to provide funding to other countries that did little to cause it yet are experiencing increasing climate-related disasters.
https://datawrapper.dwcdn.net/S1jUD/1
So far, however, the Loss and Damage Fund is tiny compared to the cost of climate-related disasters. As of late September 2024, total pledges to the Loss and Damage Fund were about US$700 million. According to one estimate, the costs directly attributable to climate change, including loss of life, are over $100 billion per year.
One goal of the 2024 U.N. climate conference, underway Nov. 11-22 in Azerbaijan, is to increase those contributions.
Sending aid before the disasters hit
In response to these growing needs, the disaster management community is getting creative about how it helps countries finance disaster risk reduction and response.
Traditionally, humanitarian funding arrives after a disaster happens, when photos and videos of the horrible event encourage governments to contribute financial support and a needs assessment has been completed.
However, with today’s technology, it’s possible to forecast many climate-related disasters before they happen, and there is no reason for the humanitarian system to wait to respond until after the disaster happens.
A global network of aid groups and researchers I work with has been developing anticipatory action systems designed to make funding available to countries when an extreme event is forecast but before the disaster hits.
This can allow countries to provide cash for people to use for evacuation when a flood is forecast, open extra medical services when a heat wave is expected, or distribute drought-tolerant seeds when a drought is forecast, for example.
Insurance that pays out early to avoid harm
Groups are also developing novel forms of insurance that can provide predictable finance for these changing catastrophes.
Traditional insurance can be expensive and slow to assess individual claims. One solution is “index insurance” that pays out based on drought information without needing to wait to assess the actual losses.
African nations created an anticipatory drought insurance product that can pay out when the drought starts happening, without waiting for the end of the season to come and the crops to fail. This could, in theory, allow farmers to replant with a drought-resilient crop in time to avoid a failed harvest.
Without insurance, disaster-affected people usually bear the costs of disaster. Therefore, experts recommend insurance as a critical part of an overall strategy for climate change adaptation.
Boosting social protection systems
Another promising area of innovation is the design of social services that can scale up when needed for extreme weather events.
These are called climate-smart social protection systems. For example, existing programs that provide food for low-income families can be scaled up during and after a drought to ensure that people have sufficient and nutritious food during the climate shock.
This requires government coordination among the variety of social services offered, and it offers promise to support vulnerable communities in the face of the rising number of extreme weather events.
Future of the Loss and Damage Fund
To complement these innovative disaster risk finance mechanisms, aid from other countries is crucial, and the Loss and Damage Fund is a key part of that.
There are still many areas of debate around the U.N.’s Loss and Damage Fund and what counts as true financial support. There have been discussions over whether investing in a country’s resilience to future disasters counts, whether existing financial systems should be used to channel finance to countries in need, and what damages are truly beyond the limits to adaptation and qualify.
The new Loss and Damage Fund is only of a part of a mosaic of initiatives that is seeking to address climate disasters.
These novel mechanisms to finance disaster risk are exciting, but they ultimately need to be created in conjunction with investments in adaptation and resilience so that extreme weather events cause less damage when they happen. Communities will need to plant different crops, build flood drainage systems and live in adaptive buildings. Managing climate risk requires a variety of innovative solutions before, during and after disaster events.
Erin Coughlan de Perez, Professor of Climate Risk Management, Tufts University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Bridge
Federal judge rules that Louisiana shalt not require public schools to post the Ten Commandments
Charles J. Russo, University of Dayton
Do the Ten Commandments have a valid place in U.S. classrooms? Louisiana’s Legislature and governor insist the answer is “yes.” But on Nov. 12, 2024, a federal judge said “no.”
U.S. District Judge John W. deGravelles blocked the state’s controversial House Bill 71, which Gov. Jeff Landry had signed into law on June 19, 2024. The measure would have required all schools that receive public funding to post a specific version of the commandments, similar to the King James translation of the Bible used in many, but not all, Protestant churches. It is not the same version used by Catholics or Jews.
Officials were also supposed to post a context statement highlighting the role of the Ten Commandments in American history and could display the Pilgrims’ Mayflower Compact, the Declaration of Independence and the Northwest Ordinance of 1787, a federal enactment to settle the frontier – and the earliest congressional document encouraging the creation of schools.
The law’s defenders argued that its purpose was not only religious, but historical. Judge deGravelles, though, firmly rejected that argument, striking down HB 71 as “unconstitutional on its face and in all applications.” The law had an “overtly religious” purpose, he wrote, in violation of the First Amendment, according to which “Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof.”
Regardless of the Ten Commandments’ impact on civil law, there was a clear religious intent behind Louisiana’s law. During debate over its passage, for example, the bill’s author, state Rep. Dodie Horton said, “I’m not concerned with an atheist. I’m not concerned with a Muslim. I’m concerned with our children looking and seeing what God’s law is.”
Louisiana Attorney General Liz Murrill has said she intends to appeal the judge’s ruling.
As someone who teaches and researches law around religion and education, with an eye toward defending religious freedom, I believe this is an important test case at a time when the Supreme Court’s thinking on religion and public education is becoming more religion-friendly – perhaps the most it has ever been.
How SCOTUS has ruled before
Litigation over the Ten Commandments is not new. More than 40 years ago, in Stone v. Graham, the Supreme Court rejected a Kentucky statute that mandated displays of the Ten Commandments in classrooms.
The court reasoned that the underlying law violated the First Amendment’s establishment clause – “Congress shall make no law respecting an establishment of religion” – because the mandate lacked a secular purpose.
The justices were not persuaded by a small notation on posters that described the Ten Commandments as the “fundamental legal code of Western Civilization and the Common Law of the United States.”
Twenty-five years later, the Supreme Court again took up cases challenging public displays of the Ten Commandments, although not in schools. This time, the justices reached mixed results.
The first arose in Kentucky where officials had erected a county courthouse display of texts including the Ten Commandments, the Magna Carta, the Declaration of Independence and a biblical citation. In a 2005 ruling in McCreary County, Kentucky v. American Civil Liberties Union of Kentucky the five-member majority agreed that the display of the Ten Commandments violated the establishment clause, largely because it lacked a secular legislative purpose.
On the same day, though, the Supreme Court reached the opposite result in Van Orden v. Perry, a case from Texas. The court upheld the constitutionality of a display of the Ten Commandments on the grounds of the state capitol as one of 17 monuments and 21 historical markers commemorating Texas’ history.
Unlike the fairly new display in Kentucky, the one in Texas, which had existed since the early 1960s, was erected using private funds. The court permitted the Ten Commandments to remain because, despite their religious significance, the Texas monument was a more passive display, not posted on the courthouse door.
Louisiana’s law
Louisiana’s law would have required public school officials to display framed copies of the Ten Commandments in all public school classrooms. Posters were supposed to be at least 11-by-14 inches and printed with a large, easily readable font. The legislation would have allowed, but did not require, officials to use state funds to purchase these posters. Displays could also be received as donations or purchased with gifted funds.
The bill’s author, Horton, previously sponsored Louisiana’s law mandating that “In God We Trust” be posted in public school classrooms.
In defending the Ten Commandments proposal, Horton said it honors the country’s origins.
“The Ten Commandments are the basis of all laws in Louisiana,” she told fellow lawmakers, “and given all the junk our children are exposed to in classrooms today, it’s imperative that we put the Ten Commandments back in a prominent position.”
Justifying the bill, Horton pointed to Kennedy v. Bremerton School District, a 2022 Supreme Court decision. Here, the justices held that educational officials could not prevent a football coach from praying on the field at the end of games because he engaged in personal religious observance protected by the First Amendment.
“The landscape has changed,” she said.
New frontier
Indeed it has.
For decades, the Supreme Court used a three-part measure called the Lemon v. Kurtzman test to assess whether a government action violated the establishment clause. Under this test, when a government action or policy intersects with religion, it had to meet three criteria. A policy had to have a secular legislative purpose; its principal or primary effect could neither advance nor inhibit religion; and it could not result in excessive entanglement between state and religious officials.
Another test the Supreme Court sometimes applied, stemming from Lynch v. Donnelly in 1984, invalidated governmental actions appearing to endorse religion.
The majority of the current court, though, abandoned both the Lemon and endorsement tests in Kennedy v. Bremerton. Writing for the court, Justice Neil Gorsuch ruled that “the Establishment Clause must be interpreted by ‘reference to historical practices and understandings.’” He added that the court “long ago abandoned Lemon and its endorsement test offshoot.”
What that new historical practices and understandings standard means remains to be seen.
More than 80 years ago, in West Virginia State Board of Education v. Barnette the Supreme Court decided in a 6-3 opinion that students cannot be compelled to salute the American flag, which includes reciting the words “under God” in the Pledge of Allegiance, if doing so goes against their religious beliefs. While H.B. 71 does not require students to recite the Ten Commandments, they would be constantly exposed to its presence in their classrooms, reducing them to what the judge described as a “captive audience” – violating their parents’ rights to the free exercise of religion.
In 1962’s Engel v. Vitale, the Supreme Court’s first case on prayer in public schools, the majority observed that “the Founders of our Constitution [recognized] that religion is too personal, too sacred, too holy,” to permit civil authorities to impose particular beliefs. I see no reason to abandon that view.
This is an updated version of an article originally published on June 4, 2024.
Charles J. Russo, Joseph Panzer Chair in Education and Research Professor of Law, University of Dayton
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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