Solar Energy

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Measure everything from weight to body fat and water percentages with devices that even send results to your smartphone

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Need to feel warm in this freezing weather or want a splash of colour in your home? Then invest in a bright or cosy floor covering

The 10 Best torches

Shine a light on the autumn gloom – whether you’re hiking, camping or cycling – with these top torches

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The Ideas Factory: From crying at bad films to solar cars - five

When people are asked to name their favourite weepie film, many will opt for Bambi, Steel Magnolias or Titanic. Not many would nominate The Champ (pictured above), a 1979 remake of the 1931 Oscar-winner. But a scene in which a young boy cries over his boxer father's dead body has been proven by psychologists at the University of California, Berkeley as the scene most likely to elicit an emotion of pure sadness. Since 1995, the clip has been used to test whether depressed people are more likely to cry and non-depressed people. Another blow to Bambi's mum.