The Teenage Mutant Ninja Turtles save Los Angeles rail transit in “Operation Blue Line” (1990)

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As a Teenage Mutant Ninja Turtle enthusiast in childhood and a Los Angeles rapid transit enthusiast in adulthood, I should, by all rights, love Operation Blue Line, a ten-minute 1990 promotional video wherein the usually New York-based Heroes on a Half Shell defeat Gridlock, a villain bent on “suppressing all public information” about the Blue Line, the first branch of the city’s modern rail system.

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Rock your way to crushed garlic

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I’ve yet to find a hinged garlic press that I love. The ones I’ve tried are inefficient, fragile (especially the hinge, which inevitably fails), and not that easy to clean. I end up having to peel the unused garlic from the inside of the press, and my fingers stink for days. Everyone has their opinion about crushing garlic – my top choice is Joseph Joseph Rocker Garlic Crusher, Press, and Mincer ($14).

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What happens when you dip a light bulb in hydrofluoric acid?

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“Hydrofluoric acid is probably the most feared chemical compound that there is,” says Sir Martyn Poliakoff, a chemistry professor at the University if Nottingham. “The reason it’s so feared is that it is very corrosive. It will burn through human skin, even quite a small exposure on your skin can cause a heart attack.”

Hydrofluoric acid will also burn through glass. Naturally, the first thing you should do once you obtain some is immerse a lit incandescent bulb into a beaker of it.

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