2024年12月25日 · Caltech researchers have measured the speed at which humans think: just 10 bits per second, while our sensory systems collect data at a rate of one billion bits per second—100 million times faster. This discovery raises new questions for neuroscientists, mainly why we can only focus on one thought at a time when our senses can process thousands of inputs simultaneously.

2025年1月9日 · The LignoSat is built of honoki magnolia wood, which was chosen for its durability and ability to withstand heat and environmental stresses.The satellite is 10 cm, assembled using time-honored Japanese woodworking that is famed for its strength and flexibility, two key attributes needed in space.

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2025年1月7日 · Still, cryolite accumulates certain impurities with time: sodium and potassium ions. The efficiency of cryolite gets reduced because of this. To maintain the process, the electrolyte must eventually be replaced, resulting in the disposal of spent cryolite — a toxic mixture that contains leftover aluminum ions. “Up to 2,800 tons of aluminum can be wasted annually at a single production ...

2024年12月30日 · The process involves injecting finely ground iron ore powder into a superheated furnace, causing an explosive chemical reaction. This creates glowing iron droplets that collect at the furnace’s bottom, producing high-purity iron.

2024年1月23日 · The application of metastability to quantum field theory and quantum many-body systems has garnered considerable interest in statistical physics, protein folding, and cosmology. In these contexts, it is anticipated that thermal and quantum fluctuations may initiate the transition from a metastable state (false vacuum) to the ground state …

2024年12月21日 · Professor David Wiltshire, who led the study, said: “Our findings show that we do not need dark energy to explain why the Universe appears to expand at an accelerating rate. New precise measurement of the universe’s expansion rate “Dark energy is a misidentification of variations in the kinetic energy of expansion, which is not uniform in a …

2024年12月14日 · Cancer researchers could simulate how specific mutations can transform healthy cells into malignant ones. Microbiologists might eventually forecast the impacts of viruses on infected cells and even their host organisms. Doctors could someday evaluate treatments using “digital twins” of their patients, hastening the arrival of a long-anticipated era of quicker, more cost-efficient, and ...

2024年11月17日 · The role of spindle whorls in advancing wheel technology. Though Metalenses are efficient in focusing light even at the nanoscale, sometimes the system fails to focus all colors to the same point, resulting in distorted or blurry images. The deep learning is specialized to recognize and correct the color aberrations.

2024年10月31日 · Researchers at the University of Tokyo have combined chloroplasts with animal cells, enabling the cells to harness energy from the sunlight. This technology could be useful in artificial tissue engineering and proliferating tissues in oxygen-lacking environments.