Articles tagged with Visible Light
Tropical Storm Wukong formed on July 22 and took on a distinctive comma shape, characterized by powerful thunderstorms around its low-level center. The storm is expected to strengthen to 60 knots (69 mph) before moving north and turning extra-tropical off the coast of Japan.
Tropical Storm Son-Tinh continues to drop rain over Hainan Island and mainland China. The storm has tracked northward at 4 knots and appears to have entered a quasi-stationary state.
Tropical Depression 15W formed on July 22 and continued to consolidate despite disorganized appearance. The depression is expected to strengthen over open waters of the Northwestern Pacific Ocean and move just north of Iwo To Island, Japan by July 27.
Tropical Depression 13W formed on July 22 and made landfall in southeastern China on July 23, with maximum sustained winds near 25 knots. The storm is forecast to move north along the east coast of China before dissipating west of the Korean peninsula.
Tropical Storm Ampil appeared more organized than expected with powerful thunderstorms surrounding the center of circulation. The storm is forecast to intensify and pass near Kadena Air Base, Okinawa Island, Japan on July 20.
ORNL's invisible micro-taggant technology uses an infrared marker for identification, providing a unique coding system that can identify item source, type, production, and composition. The taggant can be implemented in various products, including textiles, with a low production cost per taggant.
Tropical Depression Carlotta has weakened into a remnant low pressure area while making landfall in southwestern Mexico. The storm was still producing heavy rainfall over the region before dissipating on June 19.
Tropical Storm 07W formed near Kadena Air Base on Okinawa, Japan. It is moving northeast at 23mph with maximum sustained winds of 40mph.
Tropical Storm Maliksi is weakening due to strong vertical wind shear, causing its cloud field to expand. The storm will transition from tropical to extratropical by the end of June 11, moving northeastward at 38 mph.
Scientists at Tokyo Institute of Technology have developed a new photocatalytic material using fluorine, which exhibits an unusually small band gap and can efficiently absorb visible light. The material shows promise for improving solar energy conversion efficiency.
Tropical Cyclone Mekunu has consolidated and strengthened off Oman's coast with sustained winds near 69mph. The storm is expected to make landfall on May26 with winds near80knots, just west of Salalah, Oman.
Researchers have created nanoparticles that can convert near-infrared light into visible light, potentially increasing the efficiency of solar cells. The particles are coated with organic dyes that act as antennas to gather and reemit light, raising the possibility of capturing a broader spectrum of sunlight.
Scientists from NUS and international research team create a novel method for deep brain stimulation, utilizing upconversion nanoparticles to deliver visible light deep into the brain. The innovation enables researchers to uncover valuable insights about brain functions with less invasive methods.
Tropical Cyclone Berguitta is moving southwest towards Mauritius with sustained winds of 85 knots. The storm's strength is expected to be maintained over the next day and a half due to warm sea surface temperatures.
Tropical Storm Irving is experiencing severe wind shear, causing clouds to gather on one side and exposing the storm's center. The Moderate Resolution Imaging Spectroradiometer instrument on board NASA's Aqua satellite provided a visible image of this phenomenon.
Researchers at Harvard have developed a single metalens that can focus the entire visible spectrum of light, including white light, in high resolution. This breakthrough eliminates chromatic aberrations and reduces thickness and design complexity compared to traditional lenses.
Tropical Storm Tembin was spotted by NASA's Terra satellite on Dec. 20 near the Philippine Sea, with maximum sustained winds of 40 mph and a westward trajectory. The storm is forecasted to move through the southern Philippine islands, potentially strengthening in the South China Sea.
Researchers have discovered that visible light causes damage to skin cells, which is not blocked by conventional sunscreens. A colored sunscreen developed using nanoparticles coated with melanin provides protection against UVA, UVB and visible light.
Researchers have successfully visualized terahertz radiation by converting it into bright, visible light using the rattling motion of oxygen ions in a cage-like structure. The crystal, called mayenite, is composed of calcium, aluminum, and oxygen, making it an inexpensive material with potential applications in T-ray detection.
Research published in the Journal of Epidemiology & Community Health found that heavy drinking and smoking are associated with visible signs of physical ageing. Light to moderate drinking was not linked to biological ageing or slowing down the visible ageing process.
Researchers produced high-energy photon beams using a new method, exceeding known limits and paving the way for deeper understanding of atomic nuclei. The discovery has potential applications in future large-scale laser facilities and could lead to new sources of energy.
NASA's Suomi NPP satellite captured an image of Hurricane Otis showing a unique pinhole eye surrounded by powerful thunderstorms. The storm's wind field is extremely compact, with hurricane-force winds extending only 25 miles from the center.
Tropical Storm Talim made landfall on Kyushu, Japan, weakening to an extra-tropical storm. The NASA-NOAA Suomi NPP satellite captured images of the storm after its transition, revealing a frontal system with clouds north and northeast of the center.
NASA satellite imagery shows Tropical Storm Jose consolidating and organizing over the Atlantic Ocean. The storm is expected to strengthen and become a hurricane later in the day on Sept. 6.
NASA closely monitored Hurricane Hilary's development, noting its compact nature with winds extending 15 miles from the center. The storm was forecast to move westward at 13 mph, with some slowing down over the next couple of days.
Tropical Depression Kulap is a waning storm moving west-southwest at 12.6 mph, affected by dry air and northerly wind shear. The Joint Typhoon Warning Center predicts the storm to dissipate late on July 26.
Tropical Depression Roke made landfall in Hong Kong on July 23, weakening from a tropical storm earlier that day. After the landfall, NASA's Terra satellite captured visible light images of the depression, showing an elongated area of clouds and thunderstorms along the southeastern coast of China.
Tropical Storm Noru formed on July 21 near 28.0 degrees north latitude and 154.7 degrees east longitude, with maximum sustained winds near 40 mph. The system is expected to move west then become quasi-stationary over the next couple of days due to warm sea surface temperatures.
Tropical Depression 08W has been detected by NASA's Suomi NPP satellite near Hainan Island, China, with maximum sustained winds of 34.5 mph. The storm is forecast to make landfall in southeastern Hainan Island on July 22 and potentially impact Vietnam later
NASA satellites studied Hurricane Eugene in infrared and visible light, capturing images of its eye opening and closing. The storm caused dangerous ocean swells along the western coast of Baja California, Mexico, despite being far from land.
Scientists have developed an ultra-stable perovskite solar cell with a constant efficiency of 11.2% for more than 10,000 hours, resolving stability issues and paving the way for commercialization. The 2D/3D hybrid perovskite design efficiently absorbs light across the visible spectrum and transports electrical charges.
Researchers at Hokkaido University developed a gold compound that turns invisible when ground into a fine powder, emitting only infrared light. The substance's unique property has significant implications for bioimaging and the creation of invisible security inks.
Tropical Cyclone Ella affects American Samoa, prompting a high surf advisory due to large south swells and rip currents. The storm is expected to continue impacting the U.S. territory until May 12.
Researchers at MIT have created a system that can manipulate the movement of water on a surface using visible light. The technology has potential applications in fields such as microfluidic diagnostic devices and oil-water separation, where it could enable more efficient and controlled separation of fluids.
Tropical Cyclone 11S has been stretched out due to moderate vertical wind shear, according to NASA satellite imagery. The Joint Typhoon Warning Center expects the storm to strengthen before encountering stronger wind shear and cooler sea surface temperatures.
Researchers measured Saturn's ring brightness and temperatures using Subaru Telescope images. The Cassini Division and C ring appeared brighter in mid-infrared due to thermal emission from warmer particles. However, seasonal changes in the ring opening angle caused variations in their apparent brightness.
Tropical Cyclone Dineo is centered just off the coast of Mozambique, with maximum sustained winds near 80.5 mph. The storm is expected to make landfall in southern Mozambique before weakening, according to NASA's satellite observations.
The galaxy IRAS 16399-0937 hosts a double nucleus, with the northern nucleus featuring a black hole of massive proportions and a starburst region in the southern part. Hubble's observations reveal the intricate structure of this cosmic megamaser, shedding light on its unique composition and energetic processes.
Hurricane Seymour is experiencing a fast weakening trend in the Eastern Pacific, with maximum sustained winds dropping to 125 mph and then further decreasing to near 90 mph. The storm's asymmetry indicates it's losing its rotational strength.
Tropical Storm 3B is consolidating into a defined low-level circulation center, with strong thunderstorms wrapping tightly curved banding around the storm. The Joint Typhoon Warning Center predicts the storm will strengthen and move west across the Bay of Bengal, making landfall north of Chennai, India on October 27.
Researchers have developed a new technology called DarkLight that enables visible light communication even in dark environments. The technology uses ultra-short, imperceptible light pulses and can transmit data over short distances without being blocked by obstacles.
A team of Shanghai Jiao Tong University researchers developed antireflective structures capable of suppressing visible light at different angles of incidence. The structures, inspired by cicada wings, were fabricated using titanium dioxide and show great potential for photovoltaic devices like solar cells.
Graphene reacts with formic acid in a water solution upon irradiation with visible light, producing hydrogenated graphene. This environmentally friendly method has potential applications in fields such as hydrogen storage and electronics.
AAAS researchers have developed a new type of cloth that can reflect sunlight while allowing heat to radiate from the body, potentially reducing energy costs associated with air conditioning. The fabric, made from nanoporous polyethylene, passes 96% of infrared radiation through its pores, making it highly effective at keeping cool.
NASA analyzed Tropical Depression 8 using infrared and visible light, finding cloud top temperatures exceeding minus 63 degrees Fahrenheit. The depression is moving northeast at 15 mph with a possible strengthening into a tropical storm later today.
NASA's AIRS and Suomi NPP satellites are monitoring Tropical Storm Gaston's weakening position in the Atlantic. The storms expected to strengthen over the next 48 hours, with forecasters warning of increased winds and potentially tighter storm structure.
Typhoon Lionrock strengthened to a typhoon, developing an eye with powerful thunderstorms, according to NASA-NOAA Suomi NPP satellite data. The storm was moving southwest before expected to turn onto a northeasterly course.
Tropical Storm Lionrock heads south-southeastward towards Japan while Tropical Storm Mindulle makes landfall just south of Tokyo and then moves northwards. Both storms exhibit improved circular shapes after NASA-NOAA's Suomi NPP satellite capture on Aug 21.
A new study reveals that transparent wood windows provide better thermal insulation and consistent natural lighting than glass, eliminating glare. The material's channels direct sunlight through the wood, creating a uniform indoor lighting experience.
Tropical Storm Conson is facing strong southwesterly wind shear, pushing clouds and showers to the northeast of its center. The storm is expected to intensify into a typhoon over open waters on August 12 before weakening commences.
Tropical Storm Omais is weakening due to its elongation and moving northwards, posing a threat to northern Japan. NASA's satellite images reveal the storm's strongest thunderstorms are located over northern Japan, with coldest cloud tops detected.
Tropical Storm Mirinae is predicted to make landfall in northeastern Vietnam on July 27, with NASA tracking its movement towards China's Hainan Island. The storm is expected to strengthen slightly before dissipating in southern China.
NASA's Terra satellite captured visible light images of Tropical Storm Agatha, which formed on July 1 as a tropical depression and strengthened into a storm with maximum sustained winds near 45 mph. The storm weakened over the July 4th weekend and became a remnant low-pressure area by July 6.
Researchers developed a compound that transforms near-infrared light into broadband white-light, emitting directional and high-quality light suitable for microscopes and projection systems. The material is cheap, readily available, and easily scalable, opening up new routes for advanced directed illumination technologies.
Post-Tropical Cyclone Colin is moving northeast at 40 mph, expected to weaken on Wednesday. The remnants of the storm are speeding off towards history, with a surface trough extending from Cuba to Bermuda.
Researchers from Harvard John A. Paulson School of Engineering and Applied Sciences have demonstrated the first planar lens that works with high efficiency within the visible spectrum of light. The lens can resolve nanoscale features separated by distances smaller than the wavelength of light.
A team of astronomers searched for visible light after the first direct detection of gravitational waves by LIGO, but found none. The Dark Energy Camera was rapidly pointed at the location of the event, using large telescopes to scan a vast sky area.
A new multilayered photoelectrode boosts the ability of solar water-splitting to produce hydrogen by absorbing visible light from the sun. The two-dimensional hybrid metal-dielectric structure shows significant enhancement in photo-catalytic applications, making it a promising technology for efficient hydrogen production.
A Kyoto-led team reports that black hole activity can be observed through visible light during outbursts, and that optical rays provide reliable data for black hole activity. The study used a 20 cm telescope to observe V404 Cygni, detecting repetitive patterns with timescales of several minutes to a few hours.
Tropical Storm Rick is being closely monitored by NASA's Aqua satellite as it moves west-northwest towards the eastern Pacific. The storm has maintained a minimal strength of around 35 knots with surface winds confined to a small area.