This weekend we should be enjoying the Chinese F1 Grand Prix. In any other year, next month would bring the Monaco GP and Indy 500, among much else. But all of these are on hold and there is still no clear picture of when motor sport will be back to anything like normal.

The F1 teams themselves seem to be doing all sorts of good work on the medical side, using their rapid prototyping and flexible manufacturing skills to produce much-needed equipment. But how do the drivers stay sharp and spectators watch something other than replays? The answer, for many, is virtual racing.