Technology Paper screens could provide depth to computer display brightcove.createExperiences(); Video: Paper screens help displays go 3D An image is shown on a table-top screen. Lift a piece of paper over the table, however, and another, related image appears on it; move the paper and the image changes again. That's the intriguing essence of a low-cost system designed by Raimund Dachselt and Martin Spindler … 51¶¯Âþ
Health Cellphones and cancer: Interphone can't end the debate Clean bill of health, but the study could be flawed Do cellphones cause cancer? That question is about to be revived with the publication of a long-awaited study called Interphone . Given the public health implications, we can expect it to get a lot of media attention. But you should treat what you read and … Opinion
Life Dogs vs cats: The great pet showdown Video: Cats versus dogs Fight! THE world is divided into "dog people" and "cat people", each passionately believing that their preferred pet is superior. Until a decade ago, there was very little scientific evidence either camp could muster to support its claims. Then animal behaviourists became interested in dogs and unleashed a pack of ingenious … Features
Enigma Number 1575 All our days I have written the days of the week with their ordinal numbers as shown on the right. Letters being consistently replaced by non-zero digits, each day is divisible by its own ordinal number (and by no higher digit). Please send in the FAMOUS number. WIN £15 will be awarded to the sender … Regulars
Replicator for sale Printing the Eiffel tower LOOKING for computer-aided design software, Quentin Macdonald was pleased at the greatly enhanced performance promised by AutoCAD 2010, which according to online vendor Studica "has never been easier" to use, thanks to "the invaluable addition of 3D printing" (see bit.ly/3Dprinting ). Could you use that to print something shaped like an … Regulars