In a transonic flow over an airfoil, say, why does the shockwave occur? I understand why the flow speeds up as it passes over the airfoil and that the flow eventually exceeds the speed of sound but have never understood WHY a shock is formed. I know that the supersonic "bubble" will ...
原文地址:https://www.radiotimes.com/tv/comedy/ghosts-bbc-mary-exit-comment/作者:Michael Hogan翻译:莱斯特007"She was there and then she was not there.”再见啦Mary“是玛丽。她升天了。她刚还在那里,现在不在了。太突然了。嗖的一下。”鬼屋情景喜剧《古宅老友记》在2022年10 月 14 日播出的一集中...
Ninety percent of earthquakes happen on the Pacific Ring of Fire where the Pacific plate runs into multiple surrounding tectonic plates. This region hosts some of the world's largest earthquakes. (Image credit: Jonathan Matti via USGS) The San Andreas fault What does a fault look like? Part ...
When left alone in the room, the students who did not know which ones would shock them clicked more pens and brought more shocks than the students who knew what would happen. The following experiments copied this effect with other stimuli, such as the sound of fingemails on a chalkboard ...
Why does cold mountain air become warm when it descends into the valley? What is the advantage of launching space vehicles from high flying aircraft instead of from the ground? Why would you get an e3lectric shock if you flew a kite close to the electricity wires? Why must a water skier...
Does rosacea cause fever? Why does shortness of breath happen with schistosomiasis? What heart rhythms will an AED shock? Why does hypothyroidism cause pleural effusion? What are some factors that influence a patient?s pulse rate? How are cardiac arrhythmias related to sleep disorder? Why does ...
Does SIRS happen before sepsis? Sepsis is SIRS PLUS a source of infection.All sepsis meets SIRS criteria, but not the converse. SIRS criteria may be met by other etiologies such as dehydration, trauma or ischemia. Sepsis: Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunctio...
The field is distorted by the solar wind, getting compressed on the side facing the sun (bow shock) and drawn out on the opposite side (magnetotail). The solar winds create an opening in the magnetic field at the polar cusps. Polar cusps are found on the solar side of the magnetosphere...
If you’ve been a Christian for any length of time, you know that Jesus often allows the unthinkable to happen. The thing that happens to someone else is now happening to you. You don’t want to question God, but you have unanswered questions.Why? Why now? We thought You loved us...
How does a pulled groin muscle happen? Why does anaphylactic shock cause severe hypoxia very quickly? The bacteria clostridium tetani release a toxin that \rule{1in}{.2mm}. A. relaxes muscles and tightens ligaments B. causes intermittent muscle spasms C. causes the patient to go into shock ...