I have to say, if I simply look at what I have seen in casinos over the last 30 years, controlled dice throwing works at some level, despite my certain inability to do it!

In theory, it makes perfect sense, especially to a phycisist or engineer. Everything can be broken down into launch angles and speed, rotational axis and speed (or lack of), descent angles, bounce, randomness, outcomes. blah, blah, blah. When applying the correct deliverables, the predictability of throwing a seven, can be altered...again, in theory

What we know for sure is that randomly rolled dice will produce a 7, one in 6 rolls or 16.67% of the time. There are only six different outcomes of two rolled dice of 6 sides, which produce a 7, versus a possible total of 36 outcomes (6 squared) with two rolled dice of six sides

In theory:
1) Controlled Dice land and roll less than what occurs randomly
2) The less dice roll or spin the less "random" the outcome
3) The less random the outcome, the more predictable the outcome, by default, which should produce fewer 7's rolled

There is a school dedicated to it, whether or not you agree with the benefits of the school: www.goldentouchcraps.com

In reality, the success of controlled dice shooters has been documented, including the History Channel special. Gene, or others on the ChipBoard may know or be familiar with some of those mentioned in the History Channel special and can add commentary.

So, Is controlled dice Hogwash? A Joke? Impossible? Nope!
I have watched controlled dice players at "reserved" craps tables in Bellagio, Palazzo, MGM and Hard Rock, and seen it work. The accuracy with which they could make the dice land at the exact point or very close to the point where the bottom of the craps table and the backboard meet, (Just like a chula in Jai Alai) is surprising. It rendered the pyramid backboard nearly useless as the dice hit and just flopped over a roll or so. The dealers couldn't say a thing as the dice hit the backboard, albeit barely and were extremely cordial to the "big" bettors I watched along with many other watchers. In each instance the shooters were right next to the stick and closest to the backboard at which they were shooting towards.

Is controlled dice throwing a guaranteed winner every time? Nope!
While I saw shooters make $30,000 - $100,000 on rolls of 20 plus rolls, I also saw shooters loose $4,000 - $5,000 in their shorter rolls of 3-5 rolls. Overall, they certainly won more in the long rolls than they lost in their short rolls.

Each time, they were shooting alone...for 60 minutes plus. Anyone who plays craps knows, that's a lot of rolling for one individual, since there are only their own bets in play and nothing to slow down time in between rolls. A roll or two a minute, easily done, so 60 to 80 rolls in an hour. I think the shooters actually got tired! as they all seemed to go for about an hour...and just leave, up significantly each time. Almost like the knew they were tired and time to go rest.

Craps is one of the games known to have a minimal house advantage for a player who plays correctly, anyway. All you need to do (like it is simple ) is adjust the odds of throwing a seven from 1 in 6 to even 1 in 7, or 1 in 8 (not 1 in 20 or 30 as the school intimates) to provide a shooter with an advantage over the house in both the short run and the long run.

I wish I had the time to take the class, practice and be able to report back first hand results.

As Gene mentioned, any proliferation of controlled dice throwing would likely be met with resistance by casinos. My sense is there are a very small number of folks who can achieve this at any sustainable level. IMO