Two simple diagrams (above & below) to show the penetration of alpha particle radiation, beta particle radiation and gamma radiation (for more details see table below). The final mnemonics camp is a combination of the first two, plus vocabulary. By adding in vocabulary, you are essentially solidifying what you learned in terms of kanji meaning and reading as well as learning vocabulary, which is the main currency of learning a new language. Sure, by learning all three things at the same time you're spending more time on each kanji… that can't be denied. But, I think overall you're getting to the finish line first. You'll feel behind for a little while (as people talk about how they "know" all the kanji in two months by going through Heisig's), but after the first year you will have such a solid building of knowledge and be far, far ahead. You can find a current (and evolving) list of Derby contenders here (though the lineup is subject to late changes). Each horse is bestowed by Churchill Downs with different odds. The longer the odds, the larger payout you can expect should you win. There are many different types of bets you can place, which also affect potential payout, but let's start with the simplest bet: the "win."