In the early 1900s, horsepower was almost exclusively for the Gatsbys of the world. Ford’s flathead V-8, introduced in the ...

There are only two series-production cars with two combustion engines to speak of, but countless other twin-engine oddities ...

Jeff MacGregor Jeff MacGregor is the award-winning Writer-at-Large for Smithsonian.He has written for the New York Times, Sports Illustrated, Esquire, and many others, and is the author of the ...

Check out this hilariously over-detailed Hot Wheels hooptie. It’s packed with all the colorful cliches of a car maintained on a budget of “grandma sends me $20 every birthday.” It kind of ...

吡啶-4-甲醛是一种有机化合物，化学式为C 5 H 4 NCHO，是吡啶甲醛的同分异构体之一。它是无色液体，久置后会变为黄色或棕色。它可以发生芳香醛的反应，如还原胺化和生成席夫碱。 [1] 它可以和吡咯缩合，得到四吡啶基卟啉。 [2] 事实速览 吡啶-4-甲醛, 识别 ...

Crooks also searched for ammonium nitrate, nitromethane, and other materials consistent with manufacturing explosive devices. Law enforcement found two explosive devices in Crooks' car.