Breakthrough
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Back by popular demand, David Twohig descends even deeper into the wild and wacky world of cylinder head wizardry. Don’t say you weren’t warned
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More air into a cylinder and a greater volume of exhaust gas out means more power. Hurrah! David Twohig explains how double overhead cams came to be
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In part one of this feature about valvetrain development, David Twohig explains the importance and origins of the overhead camshaft
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How two British dentists dreamt up this life-saving innovation more than a century ago. David Twohig tells the tale of the airbag
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How ABS transformed from interesting curio to indispensable part of life. David Twohig on the development and adoption of modern electronic ABS
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We all know ABS has saved countless lives. But did you know it's 100 years old? David Twohig tells the tale of a remarkable technology
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In part one, David Twohig explained the origins of this life-saving technology. But how has nuclear bomb-derived software has made your car safer?
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You won’t even be aware of the crumple zones under your car’s bonnet until, that is, the day they save your life. David Twohig pays tribute to their creator