搜索结果: 421-435 共查到“国际动态 物理学”相关记录1986条 . 查询时间(3.677 秒)
‘Gyroscope’ Molecules Form Crystal That’S Both Solid And Full Of Motion（图）
Gyroscope Molecules Form Crystal Both Solid Full Of Motion
2018/1/31
Molecular machines, much smaller than single cells, may one day be able to deliver drugs to kill cancer cells or patrol your body for signs of disease. But many applications of these machines require ...
韩国开发出多种用途的纳米天线新技术
韩国 多种用途 纳米天线新技术
2018/1/5
韩国研究财团发布消息称，韩国光州科学技术院与美国伯克利大学共同开发出提高上转换纳米粒子发光效率的月牙儿状纳米天线结构体。该研究结果发表在《纳米快报》（Nano Letters）学术杂志上。上转换纳米粒子发光强度较大，同时具有极好的光稳定性、组织渗透性以及人体舒适性等特性，可作为有机燃料或量子点等相同荧光体替代品，但是存在上转换纳米粒子发光效率低的问题。
Single Metalens Focuses All Colors Of The Rainbow In One Point（图）
Single Metalens All Colors Rainbow One Point
2018/1/10
Metalenses — flat surfaces that use nanostructures to focus light — promise to revolutionize optics by replacing the bulky, curved lenses currently used in optical devices with a simple, flat surface....
Project Will Provide Reaction Kinetics Data For Deterministic Synthesis Of Metallic Nanocrystals（图）
Reaction Kinetics Data Deterministic Synthesis Metallic Nanocrystals
2018/1/10
Researchers have published the first part of what they expect to be a database showing the kinetics involved in producing colloidal metal nanocrystals – which are suitable for catalytic, biomedical, p...
Technique Makes Nmr More Useful For Nanomaterials,Exotic Matter Research（图）
Technique Makes Nmr Nanomaterials Exotic Matter Research
2018/1/10
Nuclear magnetic resonance (NMR) is a powerful scientific tool used in medical imaging and in probing the chemical structure of molecules and compounds. New research from Brown University shows a tech...
Rice U. Physicists Discover New Type Of Quantum Material（图）
Rice U. Physicists New Type Of Quantum Material
2018/1/10
U.S. and European physicists searching for an explanation for high-temperature superconductivity were surprised when their theoretical model pointed to the existence of a never-before-seen material in...
Hyperlens Crystal Capable Of Viewing Living Cells In Unprecedented Detail（图）
Hyperlens Crystal Capable Living Cells Unprecedented Detail
2017/12/19
Just imagine: An optical lens so powerful that it lets you view features the size of a small virus on the surface of a living cell in its natural environment.
Construction of instruments with this ca...
Hot Bodies Are Attractive（图）
Hot Bodies Attractive
2017/12/19
Our physical attraction to hot bodies is real, according to UC Berkeley physicists.To be clear, they’re not talking about sexual attraction to a “hot” human body.But the researchers have shown that a ...
Rules For Superconductivity Mirrored In ‘Excitonic Insulator’（图）
Superconductivity Mirrored Excitonic Insulator
2017/12/19
Rice University physicists dedicated to creating the working components of a fault-tolerant quantum computer have succeeded in creating a previously unseen state of matter.The “topological excitonic i...
NASA recorded thousands of hours of audio from the Apollo lunar missions, yet most of us have only been able to hear the highlights.The agency recorded all communications between the astronauts, missi...
The Ultimate Defense Against Hackers May Be Just A Few Atoms Thick（图）
Ultimate Defense Against Hackers Atoms Thick
2017/12/18
The next generation of electronic hardware security may be at hand as researchers at New York University Tandon School of Engineering introduce a new class of unclonable cybersecurity security primiti...
Scientists Demonstrate One Of Largest Quantum Simulators Yet,With 51 Atoms
Scientists Largest Quantum Simulators Yet 51 Atoms
2017/12/18
Physicists at MIT and Harvard University have demonstrated a new way to manipulate quantum bits of matter. In a paper published today in the journal Nature, they report using a system of finely tuned ...
澳大利亚量子计算研究取得新进展
澳大利亚 量子计算 量子计算机
2017/11/27
量子计算机被称为“21世纪的星球大战计划”，这是一项宏伟而艰巨的挑战。它的实现可以带来信息技术的革命性变化，对医疗、国防、航天、金融、材料等行业发展带来巨大推动力。目前，基于超导电路的量子比特和基于量子阱的量子比特研究取得一定进展，但其电路体积较大，使得大数目量子比特的集成面临很大困难，进而影响到量子计算的实际应用。澳大利亚新南威尔士大学的研究人员发明了一种新的量子计算机结构，并发表在近期的《Na...
Atomistic Calculations Predict That Boron Incorporation Increases The Efficiency Of Leds（图）
Atomistic Calculations Predict Boron Incorporation Increases Leds
2017/12/18
High-power white LEDs face the same problem that Michigan Stadium faces on game day — too many people in too small of a space. Of course, there are no people inside of an LED. But there are many elect...
A faster way to make Bose-Einstein condensates（图）
faster way make Bose Einstein condensates
2017/12/18
The world of an atom is one of random chaos and heat. At room temperatures, a cloud of atoms is a frenzied mess, with atoms zipping past each other and colliding, constantly changing their direction ...