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Will lithium be the new gold?

Will lithium be the new gold? Although it has been known for almost two centuries, lithium is suddenly making the news: it is the primary ingredient of the lithium-ion batteries set to power the next generation […]

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What is Shwopping?

What is Shwopping? Shwopping is about bringing a pre-loved item of clothing into an M&S store (even if it’s not from M&S) each time you come to buy something new. You can put your pre-loved items […]

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What is the formula of polar form?

What is the formula of polar form? The equation of polar form of a complex number z = x+iy is: z=r(cosθ+isinθ) How do you convert to polar form? To convert from rectangular coordinates to polar coordinates, […]

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How do you blow a flute properly?

How do you blow a flute properly? Form the flute embouchure which is your lips together smooth and relaxed with your corners firm. And we’re going to blow air through the middle of our lips starting […]

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