Piola's picks: Red Bull's urgent upgrade and teams' DRS tricks Giorgio Piola starts his selection of the most intriguing Formula 1 tech updates from the Australian Grand Prix with a look at the upgrade Red Bull brought forward by a month, and how teams are changing DRS actuators to make the most of the new 2019 rules 1552867200 F1

Piola on test two's eye-catching aero developments The Formula 1 field arrived at last week's second 2019 pre-season test with plenty of updated parts. But some were more visible that others as the teams worked hard to understand the aerodynamic changes resulting from the new rules 1551657600 F1

The question marks over Mercedes' drastic changes Mercedes struggled - by its standards - at 2019's first test and then turned up in the second week with a dramatically different car. There was no chance it could have turned around that upgrade in a weekend, so this strategy was obviously planned. But why, and what could it mean for the season? 1551398400 F1

Why F1 cars have all gone size-zero When the V6 turbo hybrid engines were first introduced in 2014 the cars had to go up a size or two to accommodate them and cope with their cooling demands. That's changed over the years and the class of 2019 is slimmer than ever 1551225600 F1

The legacy of Audi's engine architect Twenty years on from the Audi sportscar programme's debut at Sebring, meet Ulrich Baretzky - the driving force behind the four rings' success, who ironically never wanted to be an engineer 1553040000 Engineering

The inside story of Formula E's London return Formula E's first London foray ended in acrimony as local residents helped end any chance of a Battersea return. Not to be deterred, FE worked quietly to get a much-desired London homecoming 1553040000 F1

How did Norris really fare on his F1 debut? Eighth on the grid but only 12th in the race - Lando Norris's mood after his Formula 1 debut had a strong air of "could do better". He needn't be disappointed, Australia provided plenty of evidence of what makes this rookie so special 1553040000 F1

The meeting that could define F1's future While talks of specifics regarding the 2021 Formula 1 regulations have been few and far between, the deadline of June is approaching rapidly. A meeting next week could paint a much clearer picture 1552953600 F1