Quantum electrodynamics, the archetypical theory of electromagnetic interactions, describes the behaviour of charged particles and photons using quantum field theory. Measuring the g factor of a bound electron in a hydrogen-like tin ion (118Sn49+) provides one of the most stringent tests so far of...
Matter waves hang in there An atom interferometer now maintains a spatial superposition state for 70 seconds, compared to few seconds in freely falling systems. This could improve measurements of the strength of gravitational fields and quantum gravity studies. Klemens Hammerer & Naceur Gaaloul Res...
As a woman, I'm used to thinking about menopause as something that all women will go through. Once we get to that age, our hormones start to fluctuate and eventually we'll stop being able to become pregnant. But it's not so common in the rest of the animal kingdom. In fact, outs...
6.1 Wave nature of light 6.2 Young's double slit experiment 6.3 Plane transmission grating 6.4 Electromagnetic waves 【Key terms】关键词汇 1 diffraction grating 衍射光栅 2 double slit 雙缝 3 electromagnetic spectrum 電磁光譜 4 electromagnetic wave 电磁波 5 fringe 條紋 6 gamma ray 伽瑪射线 7 infra-...
Thermal nanophotonics has undergone a revolution in recent decades, benefiting from in-depth studies in nano-optics and breakthroughs in nanotechnologies. The majority of thermal devices are constrained by Kirchhoff’s law of thermal radiation, whereby spectral directional absorptivity and emissivity are id...
Agonist-bound structure of the human P2Y12receptor 人P2Y12受体的两个晶体结构2 6. Nuclear reprogramming by interphase cytoplasm of two-cell mouse embryos 早期胚胎的重新编程 http://www.douban.com/group/topic/54143570/ 7. Identification of genomic alterations in oesophageal squamous cell cancer 食道癌...
Nitrides represent one such space, where stringent synthesis constraints have limited the exploration of this important class of functional materials. Here, we employ a suite of computational materials discovery and informatics tools to construct a large stability map of the inorganic ternary metal ...
Sizes of particulate matter found in the earth's atmosphere. 0·1 ~ radius), larger particles (0·1-1 J..l), and the giant particles up to 10 ~· Aerosol particles sometimes carry an electrical charge. As in the case of the spectrum of electromagnetic waves, different parts of the ...
As you read this, between 6,000 and 12,000 com- The Brexit waters remain murky, but the superstructure of a possible mercial aircraft are airborne, and those are a fraction of the 100,000 ‘divorce’ deal that would set the terms of Britain’s withdrawal is just or so flights ...
Quantum tunnelling of electrons brings ultrafast optical microscopy to the atomic scale The oscillating electromagnetic fields that carry light can cause electrons to tunnel back and forth through a potential energy barrier. Remarkably, this alternating current can coherently emit measurable light waves —...