427cobra

If you touch an electric fence while standing on the ground why do you get a shock?? You are completing a circuit so shouldnt the electricity just pass through you?? What does this do to the electrcity in your body???

Doesn't a Hybrid car have 2 engines, an electric one and a Petrol or Gas powered one??? The way I understood it was, when travelling under 50km/h the electric engine was used, and recharged by braking. At speeds over 50km/h the Gas engine was used, so when cruising around town where the speed limit is 50km/h you effectively do not use any gas.

Previously I asked if there was some sort of device, which would allow me to measure the amount of CO2 gas in Liquids. I conclude that there was nothing I could do. Some of you suggested experiments, which were very complicated, and I probably don't have the tools to carry out. Are there any simpler experiments I can do, which dont require a lot of tools and HUGE piles of money!!!???

To be honest, I dont really know what I am asking for. I just pictured a little device that you stick in the liquid and it tells you how much gas is in it. Obviouisly not.

Does anyone know where I can get a device which measures the amount of gas (CO2) in a liquid (Cola), or even if such a device exists at all??? Please see my other thread about my proposed science fair topic for other info on why I need this device, and hopefully you can answer my questions as well. Thanks

So what your saying is, the cola won’t lose its "fizzyness" or carbonation, when frozen, but the freezing process affects the TASTE but nothing else??? Perhaps I should scrap the whole "inventing a gadeget" idea, and see if freezing/keeping it cool works. Also the question should have been, How do you keep carboanted drinks from going "flat" when OPENED?? (I forgot the "when opened" part). Just so you guys know, I am only 14 so don't get too complicated, OK??!! We have been learning all about particles and matter in class, so would I be right in saying, that when the particles (The CO2 or "bubble" particles) are chilled/ frozen, they lose energy (and when frozen, cannot move freely) so that’s why they don't escape as quickly or when frozen they don't escape at all??? Am I correct??? Also, can you get a device that can measure the amount of gas in a liquid??? And if the cola lost the fizz could you "re-fizz" it by pressurizing it with CO2 (or basically adding in some more CO2??? Cos, there is a stage (during manufacturing??) when the cola is not carbonated, right??? So when the cola loses its carbonation (is that actually a real word??!!) couldn't you just use the same process, and re-carbonate it??? Finally, BenSon, when you say a "closed system"(post 13 on this thread), do you mean, if the bottle was not opened??? Sorry if I sound dumb, and if I have gone on for ages!!!!

You know what I hate?? SMART ALECS!!! Just kidding. I dont want to change the ingredients or contents of the drink, just make something (some sort of attatchment) that fits onto the bottle to stop it losing the bubbles!!!

Hi I am new on this forum. For my science fair, I am considering devising ways to keep carbonated, bottled (soft drinks) from going "flat", or, basically losing the bubbles. So, for my question. Do you guys have any ideas, or things that I can do?? It can be anything, but preferably not too complicated, and possibly somthing I can engineer or build. I look forward to hearing your Ideas!!!