研究小组证明量子复杂度在很长一段时间内呈指数级线性增长 诸平 Credit: Pixabay/CC0 Public Domain 据德国亥姆霍兹研究中心协会( Helmholtz Association of German Research Centres ) 2022 年 3 月 28 日提供的消息,德美科学家联合研究小组已经证明,量子复杂度在很长一段时间内呈指数级线性增 ...
科学家们发现了奇异超导体超能力的惊人新线索 诸平 Fig. 1 Artist’s impression of a magnet levitating above a high-temperature superconductor cooled with liquid nitrogen. When a magnet is placed above a superconductor, the superconductor pushes away the magnetic field, causing the magn ...
高中生开发了一种廉价的过滤器来去除自来水中的铅 诸平 High schoolers developed a filter (the inside of which is shown here) that attaches to a faucet and removes lead from tap water. Credit: Rebecca Bushway 据美国化学会( American Chemical Society 简称 ACS ) 2022 年 3 月 23 日 ...
量子技术可以使电动汽车充电的速度和加油一样快 诸平 A pictorial illustration of today's electric vehicle versus the future vehicle based on quantum battery technologies. Employing quantum charging would lead to a 200 times speedup in a typical EV, which means that the charging time ...
新实验能够证实宇宙中物质的第五种状态 诸平 FIG. 1. Diagrammatic representation of the positron–electron annihilation process. (a) Standard positron–electron annihilation process that produces two 511 keV gamma photons only and (b) positron–electron annihilation process that produces t ...
“芯片上的蠕虫”设备有朝一日可帮助诊断肺癌 诸平 A “worm-on-a-chip” device tracks nematodes' movements toward odor molecules produced by lung cancer cells. Credit: Nari Jang 据美国化学会( American Chemical Society 简称 ACS ) 2022 年 3 月 20 日提供的消息,“芯片上的蠕虫” ...
美中日物理学家首次在二维材料中发现了强电子相关性的直接证据 诸平 Fig. 1 Credit: Pixabay/CC0 Public Domain Fig.2 In the moiré superlattice of trilayer graphene and hBN, a localized electron absorbs a photon and hops to a neighboring site. Credits: MIT News. Image: Ella ...
MIT 科学家提出了一种新的机制, 氧气可能是通过这种机制首先在大气中形成的 诸平 Around 2.3 billion years ago, oxygen began building up in the atmosphere, eventually reaching the life-sustaining levels we breathe today. A new hypothesis proposed by MIT scientists suggests a mechanis ...