A team of scientists from the Korea Institute of Materials Science (KIMS) has achieved a groundbreaking feat by developing the world’s first ultra-thin composite material capable of absorbing more than 99% of electromagnetic waves across multiple frequency bands, including 5G/6G, WiFi, and autonomous vehicle radar. This innovative material, less than 0.5mm thick, offers an extraordinary combination of low reflectance (less than 1%) and high absorbance (over 99%) across three critical frequency bands.

Electromagnetic waves emitted by electronic components can cause significant interference, degrading the performance of nearby devices. Electromagnetic shielding materials are typically used to prevent this interference, but traditional shielding methods are often not efficient enough. Conventional materials tend to reflect over 90% of electromagnetic waves, with actual absorbance levels often as low as 10%. Additionally, most materials with higher absorbance are limited to absorbing waves in a single frequency band, making them unsuitable for multi-functional applications.

Seawater desalination systems have traditionally been large, energy-intensive, and costly structures occupying valuable coastal real estate. Yet, as freshwater resources are increasingly strained, the demand for sustainable desalination solutions continues to rise. Addressing this challenge, California-based startup OceanWell has developed a groundbreaking approach: modular desalination pods positioned deep underwater.

The desalination industry has made strides in energy efficiency and cost reduction over recent years, bolstered by the integration of renewable energy. However, the construction of large-scale desalination facilities remains resource-intensive and controversial. For example, a proposed $1.4 billion, 50-million-gallon-per-day facility in Huntington Beach, California, faced two decades of debate before the California Coastal Commission ultimately rejected it in 2022. The project’s environmental impact, power demands, and vulnerability to sea-level rise highlighted the challenges of traditional desalination efforts.

A groundbreaking study led by Dar Meshi, an associate professor at Michigan State University, has revealed how the brain’s reward system can guide urban planning to foster sustainable and livable cities. Published in Nature Cities, the research utilizes insights from neuroscience to understand the relationship between human behavior and urban environments.

Urban areas often provide better access to education, healthcare, and cultural opportunities, contributing to a higher quality of life. However, rapid urbanization introduces challenges such as inadequate green spaces, traffic noise, and social inequities, underscoring the need for sustainable development strategies. Meshi’s research taps into the emerging field of neurourbanism—the study of how urban environments influence the brain—to address these challenges.

Move over cold plunge pools—the latest innovation in wellness might soon be a human washing machine.

An Osaka-based company called Science, known for its shower head technology, has developed a groundbreaking contraption that combines cleansing with relaxation. Resembling a cockpit, the machine immerses bathers in water while monitoring their biological data. Sensors measure vital signs like pulse, ensuring the water temperature is perfectly tailored to each individual. To enhance the experience, the device projects soothing images on the inside of its transparent cover, promoting a sense of calm and refreshment.

The US Army is taking a bold step toward revolutionizing battlefield logistics by awarding Raytheon a contract to develop a directed energy wireless power system. This innovative technology aims to eliminate the reliance on fuel and battery supply chains by transmitting energy directly where it’s needed using high-energy microwave beams.

Military logistics are a daunting challenge, with every soldier representing the end of a long supply chain. Fuel, batteries, food, and ammunition are essential but difficult to maintain in forward positions. Modern soldiers carry up to 140 pounds of gear, much of it consisting of batteries for electronic equipment. Heavy and cumbersome, these batteries are often discarded as quickly as possible.