tag:blogger.com,1999:blog-6314876008291942531.post2874350849541617463..comments2024-01-14T00:36:43.430-08:00Comments on Antonio Gulli's coding playground: Problem solving: Light bulbs and switchesUnknownnoreply@blogger.comBlogger3125tag:blogger.com,1999:blog-6314876008291942531.post-45467570383187762392010-05-28T17:12:55.398-07:002010-05-28T17:12:55.398-07:00I discussed this with a friend of mine, he came up...I discussed this with a friend of mine, he came up with interesting idea:<br /><br />Turn all switches OFF<br />Wait for an hour or so, then turn ON one of them, let it be in ON position for 20 minutes<br />After 20 mins, turn second light ON, continuing to leave first light ON<br />2-3 mins post turning On second light, turn all lights off <br />Enter room r2... touch each of the bulbs. bulb that is coldest was the one that was never turned ON. so u know which switch controls that bulb. the bulb that is the WARMEST is the one that was ON the longest, so u know that switch and the second one was the one u kept on for the shortest period of time.AKhttps://www.blogger.com/profile/03552400896683903007noreply@blogger.comtag:blogger.com,1999:blog-6314876008291942531.post-30442673568985217192009-01-13T11:49:00.000-08:002009-01-13T11:49:00.000-08:00Le lampadine si scaldano :)Le lampadine si scaldano :)Anonymoushttps://www.blogger.com/profile/07103686501541922106noreply@blogger.comtag:blogger.com,1999:blog-6314876008291942531.post-63214238980474330712009-01-09T23:19:00.000-08:002009-01-09T23:19:00.000-08:00Hint: do you consider light bulbs as bits?Hint: do you consider light bulbs as bits?codingplaygroundhttps://www.blogger.com/profile/08478993186814330588noreply@blogger.com