24 results found displaying 16-18
    
 Canada
Self-Leveling Boat Deck Printer Friendly Version
A friend showed me a YouTube video of a pool table that counteracts the movement caused by waves on a ship at sea (see next post). Why can't they make the entire deck of a boat work on the same principal?
No matter how much the waves rock the boat, the deck would remain level, just like the pool table. It would work using either some type of gyroscope or gimbal, or it would float independent from the base using some sort of counter-weight (possibly like a ball compass). After doing some research, I discovered that there is a device on the market that is basically a gyroscope in a box (see next post). It claims to reduce the effect of waves by 50%. Does anyone else think it's possible to engineer a way to keep the deck of a ship level at all times?
THANKS ALL!

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27°

    
twichymcblnkstr
 USA
Portable "guitar" Printer Friendly Version
I've been thinking about this for some time. The potential is quite good but never the less I would like feedback about it. Here goes: i myself play the guitar and I feel the urge every once and a while to just take it out and play but those times come when I'm on a subway train or at school. The idea I plan is for a glove like device with maybe some kind of sensor on the finger tips which allows you to simulate plucking strings on one hand and fingering chords or individual strings on the other. A small device which controls the sound and sensors could possibly attach to a belt or backpack. Of course headphones should be used. It could be considered air guitar, but with sound. As a way to produce the sound the way your fingers touch your palm or are positioned in your hand could be an option. Though it may be considered cumbersome research could reduce the size and still be able to play effectively. Critisizm is much appreciated.
Reward: get a free product 

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26°

    
 USA
Magnetically Inflated Low-Mass Balloon Printer Friendly Version
Current balloon air flotation systems such as helium balloons and hot air balloons are based on buoyancy and air pressure. Helium balloons use helium that has a lower mass per volume than air and so it floats. Hot air balloons use heat to allow the side pressures of the balloon to expand the volume of the area while keeping the mass the same, therefore having higher volume per mass.
If you used the strongest relevant basic force to combat the collapsing force therefore eliminating the need for thick metal walls, you could have a system that used simple electricity to expand and contract its body and therefore increase and decrease volume, changing its buoyant force to float very quickly and precisely. With the use of a vacuum or near-vacuum would allow it to only need to be a certain size, unlike huge scientific helium balloons and also it would be robotic controlled.
How it would work is on the outside a large somewhat elastic wall that could be made of plastic or some other strong material that prevented leaking of air inward, and embedded with small magnets with one polarity going outwards and the other one going inwards. Inside of the balloon it is filled with a vacuum. In the center there is a small metal sphere that is an electromagnet that has the same polarity all around the outside and repels the walls from it strongly. Inside of the thin gap-ridden sphere would be the computer, protected from magnetic interference by a substance that has that property, which controls the balloon's size and maybe some other things.
I think the idea is new and interesting, but it might require much research which I haven't done to figure out if it would work and how it could be made to work.
Reward: a video of it working if someone gets it to work. 

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25°

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