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This is how ground effects work in a nutshell

There are two ways to generate downforce. One is with all manner of wings and spoilers on the surface of the vehicle. The other is with ground effects. One you can clearly see, the other remains something of a hidden mystery. Fortunately, the good folks at Lotus and Goodwood are here to dumb it down for us non-engineer types. It's called Bernoulli's Principle, named after Swiss physicist Daniel Bernoulli who literally wrote the book on the subject way back in the 1700s. Countless engineers have spent their careers focused on its study and application, but the crux of the matter is that, as the speed of air (or other "fluid") increases, pressure decreases. Play with the air's increasing speed and decreasing pressure just right and you can generate downforce underneath the body of a car without significantly increasing drag as you would with surface spoilers. For evidence of how Bernoulli's Principle applies in practical terms, just look at the last Ferrari to pack a turbocharged V8 in the middle and the latest one. The F40 had a giant wing on the back, where the 488 GTB has none. But because the 488 uses underbody aerodynamics (or "ground effects"), it generates significantly more downforce than the winged F40 ever could, and at lower speeds. Ferrari, however, was not the first outfit to harness the power of ground effects. Lotus did with the legendary 79 that Mario Andretti drove to the world championship back in 1978. That was the genius of Colin Chapman, and to explain how it all works in layman's terms, our friends over at Goodwood Road & Racing brought in Colin's son Clive Chapman, head of Classic Team Lotus, to put together the video above. Related Video:

Race recap: 2015 Singapore Grand Prix full of odd sideshows

What greeted the Formula One teams in Singapore? Confusion. The haze was so thick that observers wondered if the race would be held at all. Then practices began, and Mercedes-AMG Petronas driver Nico Rosberg took the first one, but the team fell away after that. Mercedes said it couldn't get the tires turned on, but no one believed the Silver Arrows was in genuine trouble. Then qualifying set the confusion in stone. Ferrari driver Sebastian Vettel laid down the best time in Q3, taking the team's first pole position since Germany in 2012. Daniel Ricciardo got his Infiniti Red Bull Racing into second, about one tenth behind Vettel. (That may make the team feel better after Ricciardo publicly asked for a better engine than the current Renault unit, and team advisor Helmut Marko said the outfit will quit F1 at the end of this year if it can't get a stronger powerplant for 2016.) Kimi Raikkonen put the second Ferrari in third, Daniil Kvyat put the second Red Bull in fourth. And only then came the Meredes'. Lewis Hamilton's best got him fifth, the Brit saying, "We don't really know what we have got wrong. For some reason the tires are not working on the car. We do the warm-up the same as everyone else and then you see someone one second up the road." For added emphasis on the reversal of fortune, his time was 1.6 seconds behind Vettel's. Teammate Rosberg is next to him in sixth, a further half a second back. Williams is still a hurting a bit on slow tracks, so Valtteri Bottas could only get into seventh ahead of Max Verstappen in the Toro Rosso and teammate Felipe Massa in ninth. When the red lights went out, the 2015 Singapore Grand Prix would get both less interesting and more interesting all the way to the final lap. The men up front got good getaways, and the order into Turn 1 was Vettel, Ricciardo, and Raikkonen. The race finished with those three in that order, never having conceded position. Vettel's Ferrari enjoyed the track so much that he laid a second per lap into Ricciardo for the first five, then relaxed. He'd let the gap come down later in the race a couple of times, but any time he wanted to see what his mirrors looked like without anyone in them he'd take off again. Rosberg took fourth position after holding down sixth for the first stint. It looked like he'd have an even worse day - for a Mercedes driver - when he had problems getting his car started and onto the grid before the race.

Lotus Esprit S1 gets wet and wild in 'Forza Horizon 4' James Bond trailer

It only makes sense. When the official trailer for Forza Horizon 4 ( FH4) first debuted at E3, details showed the game is set in Britain. Those who were ahead of the curve might have recognized this as a foreshadowing of sorts. Celebrating the launch of FH4's XBOX One and Windows 10 demo on Sept. 12, Playground Games announced that the next version of the beloved racing simulator will launch with an available Best of Bond pack that includes many of James Bond's storied rides. As expected, the list is heavy on the Aston Martin, but there are plenty of other goodies, too. Included in the 10-car pack are the 1964 Aston Martin DB5, a 1969 Aston Martin DBS, a 1986 Aston Martin V8, a 2008 Aston Martin DBS, a 2015 Aston Martin DB10, a 1974 AMC Hornet X Hatchback, a 1977 Lotus Esprit S1, a 1981 Citroen 2CV6, a 1999 BMW Z8, and a 2010 Jaguar C-X75. If you can name every movie that all of these vehicles are from, pat yourself on the back and grab a martini. View 15 Photos Microsoft is rewarding those who are all-in on FH4. The Best of Bond pack will come with the Ultimate Edition of the game that is allowed an early play date, starting Sept. 28. For those who haven't fully committed, the Best of Bond pack will be available as an add-on for purchase when the game launches globally on Oct. 2. The action-packed trailer shows many of the vehicles transforming or busting out tricks they're known for from the films, including the Lotus emerging from the sea. Although players will not be able to drive any vehicles under water (that we know of), several of the gadgets will make it into the game and will be viewable during Forzavista mode. The '64 DB5 has many of its features, such as the bumper rams and revolving license plate, while the Lotus will have an available body kit, fins and all. The Bond pack also comes with a few features irrelevant to the cars, including two Bond outfits and six "quick chat" phrases that can be used during multiplayer. The pack adds to an already impressive catalogue of vehicles that includes more than 450 different rides. Available now to pre-order, the FH4 Ultimate Edition is priced at $99.99, the Deluxe Edition is $79.99, while the base game is $59.99. For those who love Bond but don't own a gaming system, don't forget about the recently announced DB5 Lego kit.