A polychord contains two complete triads played together. This isn’t always easy on the guitar, but the Em/maj9 (E minor and B major combined) in Example 5 is a great example.

The good news is that there are a number of apps inspired by the beguiling instrument that do a great job of approximating how it works and sounds. I’m a big fan of the venerable Polychord, which ...

These contrail-formed clouds warm the climate and the effects are predicted to get worse as air traffic increases. The project will be carried out by the University of Portsmouth in partnership with ...

The project, called FLight Optimisation using Contrail Knowledge (FLOCK) preparatory study, will be conducted by the University of Portsmouth in partnership with PolyChord Ltd and is being funded ...

Funding has been awarded to Interstellar Space Technologies Ltd, Polychord, and Viridian Logic Ltd and Omanos Analytics to develop feasibility studies around National Space Strategy themes.