mathtricks.org Get your kids excited about math with these simple math tricks! Making a Very Annoying Sound I and my friends used to play this trick in school. Place your ...

Sharing Myself - Education-System 3 - Elementary - Maths - Memorizing In this serie I share my personal experiences/thoughts about the current education-system. I will systematically ...

of my high school days, cosine alpha minus cosine -- no, cosine alpha minus beta is cosine alpha cosine beta + sine alpha sine beta. That was drilled into my memory here....

matter ... MIT ... You see here the topics the way I see them, you will get three problems to -- on the exam, and not all subjects can, of course, be represented on the exam....

and we could listen." And it's, like, "well, we don't have party lines any more." So, um, so, yeah. And--and it's funny 'cause there is a phone out there that actually ships,...

here, there are forces on the bottom of your feet which keep you from falling and if the earth suddenly disappeared from under my feet, sure enough, my feet would feel funny ...

Internet for it." And I remember this commercial, because the woman said in this dejected, like, most plaintive voice you can imagine, "You can get the Internet on your phone?" ...

go slower. And I want to be a little bit quantitative with you. I simplify my own body by a geometric object for which I can calculate the moment of inertia which is a cylinder....

THE TAXES IN YOUR ROTH IRA, AND NEVER PAY TAXES ON THAT MONEY EVER. GREAT. SO SAY YOU'RE GOING TO GET A PENSION PLAN, YOU'RE RETIRING. WHAT'S THE ADVANTAGE OF DOING LUMP ...