资讯

The New Scientist Book Club made a jump backwards through time for our latest read, Alex Foster’s Circular Motion, moving from the millennia-ahead future of Adam Roberts’s Lake of Darkness to a world ...
A good night's sleep starts with the best mattress. It's the foundation of our sleep. A mattress that isn't serving you can lead to a lot more than sleepless nights. Choosing the best mattress ...
Newton's Laws are very important when it comes to car safety. When there is a car crash, the car, its contents and the passengers decelerate rapidly. They experience great forces because of the very ...
Instrumental Techniques: Spectroscopy: fundamentals of molecular spectroscopy, emission and absorption spectroscopy, UV-Vis, circular dichroism ... Correlation and regression analysis. Physics (10+2 ...
The gap between conventional and quantum computers is closing when it comes to simulating scrambling of quantum information Figure 1: A close-up of the trapped-ion ...
President Donald J. Trump signed a new memorandum that aims to crack down on “misleading” direct-to-consumer pharmaceutical advertisements. A diabetes prevention program that included weekly ...
SCRIBE STATUE. FOUND: Lagash, Iraq. CULTURE: Sumerian. DATE: ca. 2400 B.C. LANGUAGE: Sumerian. In early 2016, hundreds of media outlets around the world reported that a set of recently deciphered ...
Maria Violaris works on quantum foundations as an academic visitor at the University of Oxford, UK, and on quantum computing at Oxford Quantum Circuits, Reading, UK. Norma G. Sanchez, is the founder ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caitlin Giddings I began my test of the Snoo Smart Sleeper as a ...
Creating waves: Rainer Weiss pioneered the idea that a laser interferometer could be used to detect gravitational waves. (Courtesy: M Scott Brauer) Weiss was born in Berlin, Germany, on 29 September ...
J. William Carpenter is an economist who writes financial topics. He is an author of published works for higher education and business clients. Katie Miller is a consumer financial services expert.