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LA 2028 working to avoid repeat of World Cup visa issues: IOC president Coventry
LA 2028 working to avoid repeat of World Cup visa issues: IOC president Coventry LAUSANNE, Switzerland, June 10 : Los Angeles Olympics organisers are working closely with the authorities to avoid a repeat of the visa complications and denials of entry faced by several stakeholders at the soccer World Cup co-hosted by the U.S., International Olympic Committee president Kirsty Coventry said on Wednesday. "I am confident that in two years we will be able to overcome a number of the challenges...
After 20 years, scientists finally shrink a powerful laser onto a chip
After 20 years, scientists finally shrink a powerful laser onto a chip - Date: - June 4, 2026 - Source: - Ecole Polytechnique Fédérale de Lausanne - Summary: - Researchers at EPFL have developed a chip-scale ultrafast laser that performs on par with traditional tabletop femtosecond lasers. The innovation could make advanced laser technologies far smaller, cheaper, and more accessible for applications ranging from medical diagnostics to atomic clocks. - Share: For decades, ultrafast lasers...
Los Angeles 2028 organisers vow to avoid repeat of World Cup visa issues
Los Angeles 2028 organisers vow to avoid repeat of World Cup visa issues Some officials and staff for World Cup teams have been unable to be granted a visa for the tournament - Bookmark - CommentsGo to comments Los Angeles organisers for the 2028 Olympic Games are working closely with US authorities to prevent a repeat of the visa complications and entry denials currently affecting the football World Cup, which the US is co-hosting. International Olympic Committee (IOC) president Kirsty...
From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex
From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex Lisa Lock Scientific Editor Robert Egan Associate Editor The evolution of sex remains one of biology's greatest puzzles. While sexual reproduction dominates across the animal kingdom, scientists still debate why it persists despite its high costs. Even more mysterious is the loss of sex in favor of asexual reproduction whereby females give birth to copies of themselves without any contribution from males.
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks
Ultrafast laser shrinks to chip scale, potentially lowering costs for diagnostics and atomic clocks Stephanie Baum Scientific Editor Robert Egan Associate Editor Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light power applications from precision micromachining to eye surgery to optical frequency combs, the Nobel Prize-winning technology behind today's most precise optical atomic clocks. Yet despite more than two decades...
Perspective on a challenge: predicting the photochemistry of cyclobutanone
Announce Type: replace Abstract: This Perspective is part of a Special Topic that explored the maturity of nonadiabatic molecular dynamics for predicting photochemical processes. In 2023, a prediction challenge was issued to the community of computational photochemists to simulate the photochemistry of cyclobutanone, photoexcited at 200 nm, and the resulting time-resolved MeV-UED signal.
Magnon momentum microscopy: A new window into nanoscale spin-wave physics
Magnon momentum microscopy: A new window into nanoscale spin-wave physics Sadie Harley Scientific Editor Robert Egan Associate Editor An international team led by the Max Born Institute has developed a new type of momentum microscopy to image magnons—the quanta of collectively excited spins—directly in two-dimensional reciprocal space using soft X-rays. Owing to its remarkable sensitivity, simplicity, and access to nanometer-scale wavelengths, this novel technique establishes a powerful and...
Climate cost of expanded World Cup under scrutiny as emissions set to soar
Climate cost of expanded World Cup under scrutiny as emissions set to soar MANCHESTER: The World Cup kicks off on Thursday (Jun 11) as a celebration of goals, drama and global fandom, but it is also expected to carry a climate cost more than double that of Qatar 2022, throwing a harsh spotlight on the environmental price of football's expanding showpiece. The tournament's enlarged footprint will see 48 teams and venues scattered across North America and an assessment published last week by...
Climate cost of expanded World Cup under scrutiny as emissions set to soar
Climate cost of expanded World Cup under scrutiny as emissions set to soar MANCHESTER, England, June 9 : The World Cup kicks off on Thursday as a celebration of goals, drama and global fandom, but it is also expected to carry a climate cost more than double that of Qatar 2022, throwing a harsh spotlight on the environmental price of football's expanding showpiece. The tournament's enlarged footprint will see 48 teams and venues scattered across North America and an assessment published last...
Revisiting urban heat indices in Switzerland using low-cost measurement networks
Announce Type: new Abstract: Urban populations are increasingly exposed to extreme heat events such as heatwaves, which can be exacerbated in cities due to the urban heat island (UHI) effect. With the aim of developing adaptation strategies, recent years have seen a growing interest in deploying high-resolution measurement networks using low-cost devices (LCDs), which enable the evaluation of intra-urban temperature distribution and its impacts at an unprecedented spatial resolution....