43th Mersenne Prime found
Posted on 2006-01-02 • (0)
According to MathWorld, the 43th Mersenne prime is found to be 230402457-1, making it both the largest Mersenne prime as well as the largest known pri[......]
學習生字: Viagra = 偉哥
Posted on 2006-01-02 • (0)
訂閱了路透社的科學版時看到的。路透社這篇報導說：有監察組織投訴，在 Wall Street Journal 賣整版的 Viagra 廣告可能會引致性傳染病機會增加。當時心想，這個 Viagra 字在垃圾電郵中是見得多了，不過為何用途那麼像「偉哥」呢？於是在 google 找一找……果然估計沒錯。Vi[......]
1