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20 hours ago · To do this, he wanted to count the number of alpha particles and measure their total charge; the ratio would give the charge of a single alpha particle. Alpha particles are too tiny to see, but Rutherford knew from work by J S Townsend in 1902 that alpha particles ionise air molecules, and if the air is within a strong electric field, each ion will produce a cascade of ions giving a pulse of electric current.
20 hours ago · Listed conflicts have at least 100 cumulative deaths in total and at least 1 death in current or in the past calendar year. Fatality totals may be inaccurate or unavailable due to a lack of information. A figure with a plus symbol, indicates that at least that many people have died (e.g. 455+ indicates that at least 455 people have died).
20 hours ago · The Doraemons. A timeline of magazines in which the manga's chapters (blue) or its long stories (red) were published [3][4] Doraemon (ドラえもん) is a Japanese manga series written and illustrated by Fujiko F. Fujio. First serialized in 1969, the manga's chapters were collected in 45 tankōbon volumes published by Shogakukan from 1974 to 1996.
20 hours ago · At 06:20, Japanese carrier aircraft bombed and heavily damaged the U.S. base. Midway-based Marine fighters led by Major Floyd B. Parks, which included six F4Fs and twenty F2As, [65] intercepted the Japanese and suffered heavy losses, though they destroyed four B5Ns and one Zero. Within the first few minutes, two F4Fs and thirteen F2As were destroyed, while most of the surviving U.S. planes were damaged, with only two remaining airworthy.
20 hours ago · Answer the following question based on your understanding of interest rate risk and reinvestment risk. True or False: Assuming all else is equal, the shorter a bond's maturity, the more its price will change in response to a given change in interest rates. a. False b. True
20 hours ago · A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the performance of a binary classifier model (can be used for multi class classification as well) at varying threshold values. The ROC curve is the plot of the true positive rate (TPR) against the false positive rate (FPR) at each threshold setting.
20 hours ago · Directed : Ellen Kuras. Starring : Kate Winslett, Marion Cotillard, Andrea Riseborough, Andy Samberg, Noemie Merlant, Josh O’Connor, Alexander Skarsgard. When the world was at war, her camera captured the truth. Based on the extraordinary true story of photographer Elizabeth ‘Lee ‘ Miller, a fashion model who became an acclaimed war correspondent for Vogue magazine during World War 2. This the directorial debut of Ellen Kuras, an award-winning cinematographer, portrays a pivotal decade ...
