Question of the Week, from the Naked Scientists

by Dr Chris Smith · · · · 13 subscribers

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...

Listener Derek got in touch with this question - "I can sit at my work desk, with my phone by my side, and the signal strength display goes from saying "no service" to 4 bars out of 5, within a couple of minutes, for no obvious reason. It varies like this all day, every day. I can understand why some places have good coverage, and others have bad coverage, but why should it vary so much in one place?" We asked signal expert Ramsey Faragher from Focal Point Positioning and Cambridge University to dial up an answer to Derek's question …

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Tags: higher education, natural sciences, science, science & medicine, kids & family, education

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