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You've heard all about oil spills, but can they really be that bad? After all, olive oil is delicious with Italian food and vegetable oil is in almost every yummy baking good from cookies to brownies. ...
A lot of things can act like magnets—they just need an electric charge. If we give a comb an electric charge, can it separate pepper from salt? Let’s find out!Can a comb separate salt and pepper?It is ...