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In the 16 June 2017, issue of Science, Yin et al. report setting a new quantum entanglement distance record of 1,203 km, demonstrating the survival of a two-photon pair and a violation of a Bell inequality, reaching a CHSH valuation of 2.37 ± 0.09, under strict Einstein locality conditions, from the Micius satellite to bases in Lijian, Yunnan ...
A contract to build the new computer was signed in April 1946 with an initial budget of US$100,000. The contract named the device the Electronic Discrete Variable Automatic Calculator. The final cost of EDVAC, however, was similar to the ENIAC's, at just under $500,000. The Raytheon Company was a subcontractor on EDVAC machines. [5]
Pair production. Pair production is the creation of a subatomic particle and its antiparticle from a neutral boson. Examples include creating an electron and a positron, a muon and an antimuon, or a proton and an antiproton. Pair production often refers specifically to a photon creating an electron–positron pair near a nucleus.
In 2023, Kocharovskaya and other researchers tested nuclei of scandium-45 atoms as possible candidates for a nuclear clock. At the time, those atoms produced the most robust energy transition ...
Updated September 17, 2024 at 10:02 PM. A husband told the French court, "I am a rapist," as he confessed to drugging his wife and recruiting dozens of strangers to sexually assault her for over a ...
For lowest cost, microstrip devices may be built on an ordinary FR-4 (standard PCB) substrate. However it is often found that the dielectric losses in FR4 are too high at microwave frequencies, and that the dielectric constant is not sufficiently tightly controlled. For these reasons, an alumina substrate is commonly used.
This Monday, the L’Oréal Paris Walk Your Worth show gave us star appearances from Kendall Jenner, Jane Fonda, Heidi Klum, Eva Longoria, and Cara Delevingne, who took to the runway. And at Dior ...
CMOS inverter (a NOT logic gate). Complementary metal–oxide–semiconductor (CMOS, pronounced "sea-moss", / s iː m ɑː s /, /-ɒ s /) is a type of metal–oxide–semiconductor field-effect transistor (MOSFET) fabrication process that uses complementary and symmetrical pairs of p-type and n-type MOSFETs for logic functions. [1]