Linear narratives are the most common form. Sometimes, however, a film might work better with a non-linear plot which presents some or all of the events in a non-chronological order. Sometimes ...

Save guides, add subjects and pick up where you left off with your BBC account. A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate ...

Having lowered the bar for the sense in which we hope to solve a system of linear equations, one might wonder whether this quantum algorithm 3 offers a real advantage over classical computing at all.