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A good one with weapons that my cousin and I did was making a pnumatic potato cannon (shot a 500g potato at least 250m) from schedule 80 CPVC and making a custom projectile which took pictures the entire flight. We gave it a little parachute so it could be reused. Fairly easy, all one needed to...

I am not a fan of his company's products, but the man took a joke brand and turned it back into an empire. He has my respect and his influence was profound.

I am of course obligated to add at least one "Go Leafs!" to the thread before the crushing depression that is being a leafs fan sets in.

I dislike tank boots, I avoid them if possible. This is mostly because I have had to replace the boots on my aluminum tanks at least once per tank, they always crack and fall off. If you want to keep them on consider using a rubber band to increase the diameter of the tank.

@Guba, my uncle is the head of a science department as well, his grade 12 physics project for his students was to make a rail gun that fires 3cm washers so hard they bend in half, it must be awesome to be able to do stuff like that. @ todd: Biogel is actually pretty easy to attain, the hard...

@Soakedlontra it should be, but if you need to change formats to edit just put it into handbrake and you will come out with an mp4 file that should be supported in everything.

Sorry, I made that post after trying to find something to watch on TV and finding "Larry the Cable Guy" on discovery channel. A more documentary style show is a great idea. Good luck with the show.

Here is my complete video editing solution: [-]Torrent Sony Vegas Pro[/-] But really, I use Handbrake (free and open source) for encoding (which seems to be your problem), Virtual dub for video filtering (Free and open source, there are some very advanced features available for / in it)...

I love the DOF in the third shot, you must have a giant lens.

Just a consideration, anything involving any kind of "high" pressure will probably need to be cleared with the school for liability reasons. I got in trouble (in a less litigious culture) for taking a sample of nanoscale TiO2 into school for a project. Even though it is almost completely inert...

You could do a neat pressure differential project with a few simple instruments. If you put a sealed balloon in a sealed container (pop bottle works) and used a bicycle pump to add pressure to the balloon you could demonstrate how volume decreases as pressure increases. If you wanted to get...

I have been to one other country. I don't have the money to travel.

What is with the "Head Shake"? A BP&W will do that, and it will do it cheaper.

Reality TV has managed to grab SCUBA as well? I remember why I stopped watching TV. At least the show will gain some exposure for SCUBA diving.

I occasionally get ear infections from the water (lake Ontario mostly) I dive in. I cannot imagine what that would do to my lungs after sitting in a BCD bladder (you cannot reasonably get all the bacteria out) for months.

I have not been in a situation where I was denied the transom if there was no head, though I will always try to hold it for the next dive if I can. I dive in a 7mm farmer john, so getting it out is not easy to do.

I did 3 two hour pool sessions and three 2 hour classroom sessions for my NAUI basic, then a checkout dive and two open water dives for my OW cert. On the NAUI basic exam I got only one question wrong.

I am thinking folding A-frame winch that lifts your gear and is mounted in your trunk / truck bed. Imagine if you didn't have to lift your doubles onto your back, but could just lower them on with an electric winch. Either that or create a canoe one could dive from, that would be cool too.

Fortunately were new acrylic "coffin" style chambers, the hospital put a tv on the outside and had an oxygen proof speaker on the inside, she watched a lot of movies. I also feel inclined to mention the Canadian government covered the full cost of the treatment (which worked).

I had no idea either, I just kind of ignore his posts as I get a headache trying to figure out what he is saying.