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陶瓷纳米颗粒由于其独特的微结构和优异的性能（如高的催化活性和选择性、较高的烧结活性等），引起了人们越来越多的关注。虽然纳米颗粒的稳定性经常受到质疑，但对于高熔点陶瓷体系来说，其形状和尺寸在室温下被认为是稳定的。对于刚玉（α-Al2O3;熔点2345K）来说，更被认为是具有室温和高温的结构和化学惰性，元素扩散系数和微结构演化极慢，因此被广泛应用于耐火材料、坩埚、高温合金氧阻隔膜等场景。
Do an image search for “electronic implants,” and you’ll draw up a wide assortment of devices, from traditional pacemakers and cochlear implants to more futuristic brain and retinal microchips aimed a...
Socrates once said: “It is not the size of a thing, but the quality that truly matters. For it is in the nature of substance, not its volume, that true value is found.”
What do a student tinkerer in Bhutan, a design professional in Nairobi, and an artist in Brazil have in common? They’re part of a global community of makers benefiting from the fab lab network, which ...
MIT engineers “grow” atomically thin transistors on top of computer chips（图）
计算机芯片 原子薄晶体管 低温生长 集成电路
2023/6/6
Emerging AI applications, like chatbots that generate natural human language, demand denser, more powerful computer chips. But semiconductor chips are traditionally made with bulk materials, which are...
MIT engineers devise technology to prevent fouling in photobioreactors for CO2 capture（图）
光生物反应器 结垢 二氧化碳捕获
2023/6/5
Algae grown in transparent tanks or tubes supplied with carbon dioxide can convert the greenhouse gas into other compounds, such as food supplements or fuels. But the process leads to a buildup of alg...
MIT physicists predict exotic new phenomena and give “recipe” for realizing them（图）
奇异新现象 计算机 凝聚态物理
2023/6/6
In work that could lead to important new physics with potentially heady applications in computer science and more, MIT scientists have shown that two previously separate fields in condensed matter phy...
MIT researchers develop an AI model that can detect future lung cancer risk（图）
人工智能模型 检测肺癌风险 深度学习
2023/6/20
The name Sybil has its origins in the oracles of Ancient Greece, also known as sibyls: feminine figures who were relied upon to relay divine knowledge of the unseen and the omnipotent past, present, a...
MIT engineers grow “perfect” atom-thin materials on industrial silicon wafers（图）
工业硅晶圆 原子薄材料 芯片
2023/6/6
True to Moore’s Law, the number of transistors on a microchip has doubled every year since the 1960s. But this trajectory is predicted to soon plateau because silicon — the backbone of modern transist...
For many of us, the act of breathing comes naturally. Behind the scenes, our diaphragm — the dome-shaped muscle that lies just beneath the ribcage — works like a slow and steady trampoline, pushing do...
For the first time, researchers at MIT, Caltech, Harvard University, and elsewhere sent quantum information across a quantum system in what could be understood as traversing a wormhole. Though this ex...
Terahertz radiation, whose wavelengths lie between those of microwaves and visible light, can penetrate many nonmetallic materials and detect signatures of certain molecules. These handy qualities cou...
Desktop simulation of MIT.nano die bonder enables virtual tool training（图）
MIT.nano芯片 虚拟工具培训 半导体器件
2023/6/6
Packaging is the final step in the process for manufacturing a semiconductor device. A critical tool for packing is the die bonder, which facilitates device assembly typically by attaching a chip in a...
Scientists estimate that more than 95 percent of Earth’s oceans have never been observed, which means we have seen less of our planet’s ocean than we have the far side of the moon or the surface of Ma...
For more than half a century, researchers around the world have been engaged in attempts to achieve fusion ignition in a laboratory, a grand challenge of the 21st century. The High-Energy-Density Phys...