Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can’t see through it, even though the water is clear. But right above you, there’s a round window of transparency. And here’s the awesome thing: Through this … Read more
A thermal metasurface is made of a single layer of nanostructured silicon (gray) on top of glass (blue) and a metal mirror (gold). The nanostructured surface is specifically tailored so that it thermally emits circularly polarized light to a desired direction. Credit: Adam Overvig Researchers with the Advanced Science Research Center at the CUNY Graduate … Read more
This photo provided by NASA shows Boeing’s Starliner spacecraft which launched astronauts Butch Wilmore and Suni Williams to the International Space Station docked to the Harmony module’s forward port on July 3, 2024, seen from a window on the SpaceX Dragon Endeavour spacecraft docked to the adjacent port. Credit: NASA via AP NASA said Thursday … Read more
Australia’s Great Barrier Reef has been plagued by repeated mass bleaching events, including one in 2024. Australia on Friday launched a multi-million dollar effort to stop pesticide runoff and other water quality issues on the Great Barrier Reef, the latest effort to save the ailing natural wonder. Environment Minister Tanya Plibersek unveiled a US$130 million … Read more
Storm-centered composites of (a) short track and (b) long track GLR cyclones. MSLP is contoured every 4 hPa with black solid lines. The average minimum MSLP is given near the center of the storm. 2 m temperature is contoured every 2° with dashed lines and is colored based on temperature value. Rain and snow are … Read more
Botswana’s President Mokgweetsi Masisi holds a large diamond discovered in Botswana at his office in Gaborone on August 22, 2024. A massive 2,492-carat diamond—the second largest in the world—has been discovered in Botswana, the Canadian mining company that found the stone announced Thursday. The diamond was discovered in the Karowe Diamond Mine in northeastern Botswana … Read more
Credit: CC0 Public Domain A University of Texas at Arlington professor recently published a study that found no correlation between laws criminalizing homeless activities and a long-term reduction of homelessness. Hannah Lebovits, an assistant professor in the Department of Public Affairs and Planning, surveyed the 100 most populous cities around the country with high rates … Read more
Credit: Pixabay/CC0 Public Domain The International Criminal Court must reform to better bring the masterminds of mass atrocities to justice, experts have said. International tribunals and national courts have been able to use joint criminal enterprise (JCE) to hold those responsible for the planning and organization of hideous crimes to justice, but it is not … Read more
Loose fitting clothing lets through less IR. Credit: DeBeaubien and Chandel et al. While a mosquito bite is often no more than a temporary bother, in many parts of the world it can be scary. One mosquito species, Aedes aegypti, spreads the viruses that cause over 100,000,000 cases of dengue, yellow fever, Zika and other … Read more
Credit: Nicole Smith, made with Midjourney As formal employment opportunities are rare in impoverished regions, entrepreneurship is considered a key alternative to help people in such regions improve their livelihoods. Many development organizations have adopted a market-based approach to alleviating poverty, offering entrepreneurship education and training programs to help microentrepreneurs innovate in their businesses. However, … Read more
