Science and Technology

In-orbit servicing refers to the ability to inspect, repair, refuel, upgrade, or reposition spacecraft after launch. Once considered experimental, it is now emerging as a strategic capability with economic, security, and sustainability implications. As space becomes more congested and contested, the ability to maintain and adapt assets already in orbit is reshaping how governments and companies plan long-term space operations.The Economic Logic: Extending the Value of Expensive AssetsModern satellites, particularly those in geostationary orbit, often cost several hundred million dollars to design, launch, and insure. Their operational lifetimes are frequently limited not by payload failure, but by depleted propellant or…

microLED represents a display technology composed of microscopic light-emitting diodes in which each pixel generates its own illumination. In contrast to LCD, it eliminates the need for a backlight, and unlike OLED, it avoids organic compounds that deteriorate rapidly. For wearables and augmented reality devices, this blend of self-emissive pixels, high brightness, and long operational life helps overcome persistent constraints related to size, energy efficiency, and long-term durability.Wearables and AR systems demand displays that are extremely small, readable in sunlight, energy-efficient, and capable of high pixel density. microLED development is increasingly aligned with these requirements, making it one of the…

Extreme Ultraviolet lithography, widely referred to as EUV lithography, stands as the pivotal manufacturing method driving the advancement of semiconductor process nodes below 7 nanometers. Harnessing 13.5 nanometer wavelength light, this approach enables chip manufacturers to create exceptionally compact and intricate circuit designs that earlier deep ultraviolet methods could not deliver economically or physically. As the semiconductor sector advances toward 3 nanometers, 2 nanometers, and even smaller scales, EUV lithography continues to evolve at a rapid pace to address extraordinary technical and financial challenges.From Early EUV Systems to Large-Scale Production ReadinessEarly EUV systems were primarily research tools, constrained by low…

Biodegradable materials research has evolved from a niche academic pursuit into a strategically important commercial discipline, as firms in packaging, consumer goods, agriculture, construction, and healthcare increasingly fund materials designed to break down safely at the end of their lifespan, propelled by intersecting forces such as regulatory requirements, shifting consumer expectations, technological advances, and growing economic feasibility.Escalating Environmental and Waste Management PressuresGlobal waste production keeps climbing as conventional plastics linger for decades across landfills and natural habitats, and municipalities increasingly struggle with rising disposal expenses while soil and water pollution creates mounting legal and reputational exposure for brands; biodegradable materials,…

Quantum sensors are instruments that harness quantum behaviors like superposition, entanglement, and coherence to register exceptionally subtle variations in physical parameters, and they differ from classical devices, which face restrictions from thermal noise and material limits, by achieving sensitivities near fundamental physical thresholds, a capability that is transforming fields such as navigation and medical imaging by making formerly unattainable measurements feasible.Influence on Navigational StudiesNavigation systems traditionally rely on satellite signals, gyroscopes, and accelerometers. These methods work well under normal conditions but degrade in environments where satellite access is denied or signals are distorted, such as underwater, underground, or in dense…