[ad_1] For some, the sound of a “perfect stream” might be the gentle lapping of a forest stream or perhaps the tinkling of water being poured from a pitcher. For physicists, a perfect flow is more specific, referring to a fluid that flows with the least amount of friction, or …
Read More »Pulling the secrets of dark matter out of a hat
[ad_1] On the first floor of the MIT Nuclear Science Laboratory hangs an instrument called “A Broadband / Resonant Approach to Cosmic Axis Sensing with an Amplifying B-Field Ring Apparatus”, or ABRACADABRA for short. As the name states, ABRACADABRA’s goal is to detect axions, a hypothetical particle that could be …
Read More »This 3D printer does not overlook the details
[ad_1] Shape, color and brilliance. These are the three most salient visual characteristics of an object. Currently, 3D printers can reproduce shape and color reasonably well. The shine, however, remains a challenge. This is because 3D printing hardware is not designed to handle the different viscosities of paints that give …
Read More »Body sensation at all scales
[ad_1] Sensors that track everything from infection in the lungs to using WiFi on a crowded college campus are poised to enhance our understanding and approach to improving human health on many levels, a trend that has been accelerated by challenges of the Covid-19 pandemic, researchers and experts said at …
Read More »An escape route for methane from the seabed
[ad_1] Methane, the main component of natural gas, is the cleanest fuel of all fossil fuels, but when it is released into the atmosphere it is a much more potent greenhouse gas than carbon dioxide. According to some estimates, the seafloor methane contained in ice formations along the continental fringes …
Read More »Police clash with Maradona fans who came to pay their last respects
[ad_1] Maradona fans clash with the police to pay the latest tribute to legendary Argentine footballer Diego Maradona. The football god was buried next to his parents in Bella Vista in the Argentine capital Buenos Aires on Thursday (November 25). Previously, the tearful eyes of the fans at the Presidential …
Read More »How long can you be with someone with COVID-19 before they get infected?
[ad_1] How long does it take to get the coronavirus if you are close to someone who is infected? Unfortunately, there is no magic number of minutes. The US Centers for Disease Control and Prevention (CDC) recently reviewed how it defines close contact, people who contact tracers track down and …
Read More »Imaging method reveals a “symphony of cellular activity”
[ad_1] Within a single cell, thousands of molecules, such as proteins, ions and other signaling molecules, work together to carry out all types of functions: to absorb nutrients, storing memories and differentiate into specific tissues, among many others. Deciphering these molecules and all their interactions is a monumental task. Over …
Read More »China launches first rocket to collect samples from the moon
[ad_1] (MENAFN) The China National Space Administration (CNSA) said in a statement that a Long March-5 rocket started being filled with liquid oxygen and cryogenic liquid hydrogen propellant at almost 6:30 PM (Beijing time) on Monday. The rocket, scheduled to be launched from the Wenchang spacecraft launch site in southern …
Read More »Cracking secrets of an emerging branch of physics
[ad_1] Thanh Nguyen has a habit of breaking down barriers. Take languages for example: Nguyen, a third-year graduate student in nuclear science and engineering (NSE), wanted to “connect with other people and cultures” for his work and social life, he says, so he learned Vietnamese. , French, German and Russian, …
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