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After more than two years of maintenance and upgrades, the Pixel Tracker has been installed at the centre of the CMS detector and is now ready for commissioning.
Of all the CMS subdetectors, the Pixe...
Microscopy technique makes finer images of deeper tissue, more quickly（图）
显微镜技术 深层组织图像 大脑内血管 神经元
2023/6/19
To create high-resolution, 3D images of tissues such as the brain, researchers often use two-photon microscopy, which involves aiming a high-intensity laser at the specimen to induce fluorescence exci...
Microscopists have long sought a way to produce high-quality, deep-tissue imaging of living subjects in a timely fashion. To date, they have had to choose between image quality or speed when looking i...
The concrete world that surrounds us owes its shape and durability to chemical reactions that start when ordinary Portland cement is mixed with water. Now, MIT scientists have demonstrated a way to wa...
MIT researchers have created the first fiber with digital capabilities, able to sense, store, analyze, and infer activity after being sewn into a shirt.
An international team of scholars has read an unopened letter from early modern Europe — without breaking its seal or damaging it in any way — using an automated computational flattening algorithm. Th...
《自然》：世界最小纳米激光器在美问世
世界最小纳米激光器 问世
2009/8/26
研究人员最近展示了一种有史以来最小的激光器，其包含一个直径仅为44纳米的纳米粒子。该器件因能产生一种称为表面等离子的辐射而被命名为“spaser”。这项新技术可允许光子局限在非常小的空间内，一些物理学家据此认为，就像晶体管之于现今的电子产品，spaser也许将成为未来光学计算机的基础。