Explaining the ‘bow echo’; a curved line of powerful storms
A bow echo is a meteorological term used to describe a curved line of thunderstorms that appears on weather radar.
BBC1 年
Area between a curve and a straight line
Watch this video to learn about calculating the area between two curves or a curve and a straight line. Firstly, we need to prove whether or not the curve and straight line actually intersect at ...
BBC4 年
Understanding musical signs and symbols
A curved line above or below a group of notes tells ... over a few notes which means they should not be rearticulated. For example, all the notes are played with one bow movement on a string ...