The Antarctic ozone hole, crucial for shielding Earth from harmful solar radiation, is not exhibiting signs of recovery as previously projected. Despite the success of the 1987 Montreal Protocol in banning ozone-depleting chlorofluorocarbons (CFCs), recent research by New Zealand’s Otago University reveals that the hole has deepened in mid-spring over the last two decades. Contrary to expectations, there is no significant reduction in the hole’s coverage, with six of the last nine years displaying exceptionally low ozone levels. The delayed opening of the hole in September suggests a potential recovery, but October’s substantial ozone level reduction challenges previous assumptions, indicating other atmospheric influences, possibly linked to climate change. The study suggests that recent ozone depletion may not be solely attributed to CFCs, urging a reconsideration of factors affecting ozone recovery.
Scientists from the Sapienza University of Rome and the University of Ottawa have unveiled a groundbreaking technique that leverages quantum entanglement to swiftly measure multiple aspects of particles. They encoded a Chinese symbol for duality and harmony into entangled photons, demonstrating the method’s remarkable efficiency. Traditional quantum tomography, which captures numerous dimensions of particles, has […]
Women enroll in numbers that are virtually equal to men. In academic medicine, there are still considerable gender inequalities in rank and leadership, notwithstanding parity in medical school admissions. The progression of women in academia will be directly correlated to their success in obtaining the first authorship of original research articles, which measures the […]
The development of gas turbine technology demands increasingly complex geometries in components, posing challenges for maintaining optimal spray angle during thermal barrier coating (TBC) deposition. This study investigates the influence of spray angle on particle deposition and thermal shock lifetime of embedded micro-agglomerated particle (EMAP) coatings prepared using atmospheric plasma spraying (APS). EMAP coatings […]