'Please can you summarise how F1 rules have changed since Fernando Alonso's F1 debut?', asks Richard in Dallas, Texas. 23 years of engines, tyres and points systems? No problem for Christian Hewgill and Katie Osborne!

That's just one of the questions tackled in this episode, featuring F1TV commentator Alex Jacques and former Renault F1 racer Jolyon Palmer. Also answered: 

Want to be on the next episode of F1 Explains? If you've got an F1 question, send it to us and we'll find an expert to answer it. Send your email or voice note to [email protected]

F1 car setup - with Fernando Alonso + Aston Martin

Race suits, boots + underwear: what F1 drivers wear - with PUMA

F1 brakes - technology + technique - with Brembo + Jack Doohan

The job of an F1 Team Principal - with Aston Martin's Mike Krack

Why F1 teammates are friends + foes - with Valtteri Bottas + Zhou Guanyu

How Formula 2 + Formula 3 prepare drivers for F1 - with Oscar Piastri

F1 Academy - with Susie Wolff + Lia Block

The F1 race start - with Mick Schumacher + strategist Bernie Collins

Behind the scenes on Drive to Survive - with Exec Producer James Gay-Rees

Why F1 pre-season testing matters - with Mercedes, McLaren + Alpine

How F1 teams build their new cars - with Aston Martin Technical Director Dan Fallows