A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Once you’ve built a Pivot Table, turning it into a chart is almost too easy. Simply click anywhere inside the table, go to Insert > PivotChart, and select your preferred chart type. You’d even get a ...

Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...