Failing to Succeed

My mother was on her deathbed in 1954 (before I was born), and received the last rites. That she is still alive, and still living independently, is an inspiration to me, and a testament to the power of persistence. A great man once told me that his biggest successes came about because of his “sheer … Read more

How Much Mathematics Should a Student Memorize?

The more you understand, the less you have to memorize. A good example is trigonometric identities, of which there are quite a number. Should a student memorize trigonometric identities? Well, at first, it is probably wise to memorize a few of them. Part of a teacher’s job is to help students identify what is essential … Read more

Double Rainbow: What Does it Mean?

After posting on the meaning of weather forecasting, I can’t resist pointing your attention to a unique video on double rainbows and the question of what they mean. The heartfelt expression of awe captured in this video gained widespread attention on the web, and the author of the work was extensively interviewed soon after it … Read more

The Probability of Precipitation: What Does it Mean?

My father-in-law runs a fruit farm, and made an interesting observation one day about weather prediction: If the weather report says 40% chance of rain, it never rains. If it says 50%, then maybe it rains, maybe not. But if it says 70%, then it rains for sure. This may seem self-contradictory, but it raises … Read more