IN 1905, Albert Einstein published five papers that shook the world of physics. His elegant arguments and conclusions were marvels of physical intuition that addressed dilemmas raised by experimental ...

Creating perfect randomness is surprisingly difficult. Even modern random number generators never generate completely ideal random numbers: small systematic errors can result in some numbers appearing ...

(Busà Photography/Moment/Getty Images) One of the hardest things to do in physics is to generate true, provably unpredictable randomness. That's because it's impossible to determine randomness based ...

Microsoft Excel can do a lot of cool things. If you need it to generate random numbers, Susan Harkins can show you how. Over the last few months, I’ve written about several of Excel’s new dynamic ...