A close-up card trick performed at a bar where the magic happens directly in the spectator’s hand. Using smooth sleight of hand and perfect timing, cards mysteriously appear and switch without being ...

IN an earlier paper1, we have described a new type of interferometer which has been used to measure the angular diameter of radio stars2. In this instrument the signals from two aerials Ax and A2 (Fig ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...