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Hace 7 horas · Two other effects which occurred between reionization and our observations of the cosmic microwave background, and which appear to cause anisotropies, are the Sunyaev–Zeldovich effect, where a cloud of high-energy electrons scatters the radiation, transferring some of its energy to the CMB photons, and the Sachs–Wolfe effect, which causes photons from the Cosmic Microwave Background to be ...
Hace 7 horas · 전문가들은 이를 ‘에코체임버 이펙트 (echo chamber effect)’라고 부른다. 우리말로는 ‘반향실 효과’다.방송사에는 에코체임버라는 게 있다. 음향효과를 내는 곳이다. 외부와 완벽히 차단된 채 특정 음향을 확대재생산한다. 현실에선 인터넷이나 유튜브 등 SNS가 ...
I also started having chest pains about a year ago. Went to hospital during an episode to have Troponin levels checked and all fine however when the doctor listened to my chest they heard a murmur so I was sent for an echo which found a mild leaky valve.
Hace 7 horas · Bat. Bats are flying mammals of the order Chiroptera ( / kaɪˈrɒptərə / ). [a] With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out digits covered with a thin membrane or patagium.
