magnetic coin wallets

my friend has an old worn out wallet and twice coins fell all over the place. he doesn't want to buy a new one so i thought to cover the wall of the coin pocket with thin magnet. then i think why not cover all wallets with thin magnet inside to avoid coins drop out the wallet.

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Rain proof F1 tracks

Since I started watching F1 races with my boyfriend I always had this question and no one has yet to give me a convincing answer. Why can't the tracks be covered with roofs to make them rain proof? They can be made of glass or transparent plastic material to facilitate TV broadcasting from all angles and heights. It can help reduce accidents, allow the cars to run the fastest they can on dry surface and the races don't have to be suspended when the tracks are flooded with torrential rain. People tell me it's difficult to construct or the cost is too high. hey guys, to start with F1 is a multi-billion dollar industry and second what's so difficult engineering-wise about setting up a roof?? It's not building the Parthenon or the Pyramids. It must be something else. Can anyone here answer this?

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Wiretapping critical thoughts

If I ever publish a book or have my paintings exhibited I want to have a hidden recorder placed behind the frame of the painting or inside the cover of the book so that I can listen to people's raw thoughts about my work. If I own my work, I should be entitled to unfiltered access to its criticism. When that becomes my constitutional right in the form of a Patriotist Act, I wouldn't hesitate to exercise it. You?

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