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I've attached scans of the Carsten book's front and back cover. Sorry, I don't have anything about Viuda beyond what that doctor told me about playing in Cuba. I didn't find anything online, but you're more persistent than me :) It might help to search along with these Spanish words: billar...

I think the pockets would be too big (easier to earn penalties), but maybe not. That reminds me I used to play a pin game with a doctor from Cuba several years ago. It was called viuda (widow) and had rules similar to Italian 5-pin, but had the larger pins like you see in Keglebillard. We...

I played the Italian 5-pin and goriziana (9-pin) in Florence and Rome several years ago, but unfortunately I wasn't in Denmark long enough to find a place to play Keglebillard with the locals. They all seem to share the notion of points for caroms and/or combinations of knocking pins down by a...

I wear narrow glasses and don't have to move my head to change focus between the CB and OB during a shot. If you have trouble keeping your head still while you move your eyes, here are two things you can try in addition to the other suggestions: 1) Make sure your bridge arm is completely...

I just feel confused more than anything else, since it hurts my brain trying to understand people like that. However, the extra cash does help ease the pain a bit ;) Robert

It's more just surreal than gambling, but I had a guy walk up to me about 10 years ago and practically insist I take his $500. I was playing/talking pool with a friend after a 3-cushion tournament. I set up this shot for a friend and was telling him it wasn't as impossible as it looked...

Thanks for sharing those, Dr. Dave. How are you measuring COR in these videos, and do you have a model for how COR changes versus ball state as depicted in them? I don't see anything in the TPs on your site. Robert

Yes, but since Patrick drew the "direction" of follow in line with the cue ball's motion, it was natural to keep the discussion in those terms. It's more natural to discuss billiards that way, as you've done many times yourself :) Btw, for anyone attempting to read Coriolis, he used...

That's not quite true. The component of the rotation that's perpendicular to the cushion gets noticably reduced from the contact with the rail (as we discussed in the clean vs dirty balls thread), while the parallel component doesn't. That means follow/draw direction after contact becomes more...

Since when? ;) Interesting idea, but I think it could still work in 'my' favor (assuming the effect is there at all.) Since the rail is above the ball's center, as the ball rose, the cushion would likely give an impulse closer to its center than if it stayed on the table. I can't remember if...

btw, you can link to the specific time 44:25 in the video by adding #t=44m25s at the end of the link like this: http://www.youtube.com/watch?v=4mzQzNNlXfU#t=44m25s That pattern works for any youtube video - handy for specific shots in a long match. Robert

I don't think it's that simple. The hopping uses energy by converting follow to vertical motion, so it doesn't directly slow the ball down horizontally. In fact, there isn't contact with the cloth if they're airborne, so there's no rubbing against the cloth to slow down during that time. It...

Don't forget that CaromTV has a Video-On-Demand option if you don't mind downloading them and watching on your computer. They are less than half the cost of the regular DVDs, although not as high quality since it is compressed video (~500Mb wmv files as opposed to 4Gb DVDs). CaromTV has the...

ctyhntr might have it right. The Aramith Ball Cleaner has a mild abrasive material in it - you can feel the grit with your fingers - and if you don't polish the balls properly afterwards, it will stay on them and increase the friction instead of decrease it! Of course, higher friction means...

The closest table I've found to San Antonio is a Verhoeven an hour away at G Cue Billiards near Austin: G Cue Billiards 300 Hester's Crossing RD Round Rock TX, 78681 (512) 310-8925 It can get busy at night since there are several players and only one table, but they are a friendly crowd and...

Hi Steve, neat idea! How are you able to do this legally? From what I understand, online raffles can be risky if they're not setup just right. Otherwise, I think we'd probably see more tournament fundraising tried this way (win a free trip to the Sang Lee Open, etc). Robert

Just completed a sale to jimmyballpeen that went very well. Jim paid in full with PayPal the same day as the order, and was patient as I assembled everything for shipment. Thanks, Jim! Robert

For you physics geeks, this is what French physicists like Coriolis and Petit call adherence. (Bob knows this already :)) American physics writers seem to avoid analyzing ball-cushion interactions, but talk about the same concept as it relates to throw in ball-ball interactions. Unfortunately...

Assuming friction coefficients and rail efficiencies at different corners isn't the reason, it could be the differences in the mechanics of your stroke between the two tests. If your cue is more elevated when shooting the short way vs the long way, then there will be more curving into the 1st...

Anyone have a translation for this Dutch ad featuring 3-cushion champ Dick Jaspers? http://www.youtube.com/watch?v=vF7hid8jM-A Robert