understanding

Breadcrumb Trail Links World News There have been some sightings that U.S. officials 'can't explain,' said deputy director of naval intelligence Scott Bray Author of the article: Reuters Joey Roulette and Steve Gorman This file video grab image obtained April 26, 2020 courtesy of the US Department of Defense shows part of an unclassified video taken by Navy pilots that have circulated for years showing interactions with "unidentified aerial phenomena". - The conclusion of a classified…

Scientists from the RIKEN Cluster for Pioneering Research have used computer modeling to show how a hypothesized type of supernova would evolve on the scale of thousands of years, giving researchers a way to look for examples of supernovae of this model, known as “D6.”Supernovae are important for cosmology because one type, Ia, is used as a “standard candle” that allows distance to be measured. In fact, they were used for the measurements that revealed, surprisingly to first observers, that the universe’s expansion is…

(A) Student misconception device assembly using Zn and Cu electrodes short-circuited with Cu cut-out thin sheets. (B) Diagram of the device displaying materials used and device electrical configuration. (C, D) Illustrations showing how a misconception is corrected via trial and error (time) or by the instructor. Credit: SUTD The electrochemistry designette is a purposefully developed design activity which allows students to…