Bubble Definition and 236 Threads

Hello everyone: Please give me some guidance on the measurement of air bubble velocity in clean water (not salt water); the water depth would be not more than 10 feet: for simplicity use a bubble capacity of one cubic foot; consider the water temp to be 70 to 80 degrees farrenheit; Assume...

why there have bubble in beer, what the pathway do the bubbles go in pv diagram my idea : assume temperature is constant pressure in the bottom is higher than the suface so the bubbles size increase then where the energy come from?

In 1994 physicist Miguel Alcubierre proposed a method in the Journal of Classical and Quantum Gravity for a means of traveling faster than light with the creation of a warp bubble. The front part of the bubble compresses the space in front of the ship, while the back end of the bubble expands...

This is very important. Can someone tell the dependency for the resonance frequencies of bubbles? i.e if know a bubble's diameter, the surface tension, the liquid and the gas' densities how do I calculate the sound wave frequencies that causes a resonance in a bubble. I have Landau's formula...

Sir, Please help me with this problem. # A small air bubble in a sphere of 8 cm diameter of a substance having refractive index 1.4 appears to be 2 cm from the surface when looking along the diameter. Find the true position of the bubble. I solved it in the following way: Here n1 = 1...

"It is the practice of carpenters herabouts, when laying out and leveling up the foundations of relatively long buildings, to use a garden hose filled with water, with glass tubes 10 to 12 inches long thrust into the ends of the hose. The theory is that water, seeking a common level, will be the...

If you miss the news report in the March 9th issue of Nature, you may want to read it. And... Zz.

It is possible that the "big bang," should it ever have occurred, was actually a bubble from a greater dimension, pinched off. It has been postulated that as matter is gathered into a black hole, it condenses and forms what could be equated to a water droplet in space-time. When that drop...

Question A diver named Jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 {\rm atm}) to the surface (where the pressure is 1.00 {\rm atm}). The temperature at the bottom is 4.0{\rm ^{\circ} C}, and the temperature at the surface is 23.0{\rm...

Here is a question i can't figure out, it's a challange question we suppose to research.. Question: to measure acceleration, a bent arc-shaped sealed glass tube filled wtih water is used. there is a little air bubble inside. Explain the method of measurement in detail, and find the relationship...

An air bubble has a volume of 1.50 cm3 when it is released by a submarine 115 m below the surface of a lake. What is the volume of the bubble when it reaches the surface? Assume that the temperature and the number of air molecules in the bubble remains constant during its ascent. I'm guessing...

Question? What would the equation formula be for a Bubble collapsing at the speed of light? I was thinking about Light speed Bubble implosions and had to ask. Do you think this might have merit in any way for Super Fusion techniques? I have an idea of a special Hollow/Spherical Super...

I don't care if I'm nineteen! I still love bubblewrap! So fun! *pop* Anyone else not too grown up for this stuff, or is it just me?

Lets create a pseudo team of engineers for the purpose of producing the latest advancement in Diamond Evacuated Bubbles, Our team is trying to win a pseudo X-prize, The pseudo prize consists of many millions of pseudo dollars and a lifetime pseudo contract with NASA for the production of the...

It is often said that electrons do not follow classical paths, especially in the context of electrons in atoms etc. I have absolutely no problem with this, as I do have a academic background in physics (but extremely rusty). Non-classical paths, uncertainty etc. being the case, what is then...

A spherical air bubble originating from a scuba diver at a depth of 18 m has a diameter of 1 cm. What will the bubble's diameter be when it reaches the surface? (Assume constant temp) a. 0.7 cm b. 1 cm c. 1.4 cm d. 1.7 cm I know this problem shouldn't be all that difficult, but I'm not...

http://physicsweb.org/articles/news/9/7/8/1 Strangely enough, while it looks similar, the experiment is actually different than the earlier Taleyarkhan experiment. Other than that, it is still equally controversial. Stay tune for more development in this saga... Zz.

Hey, my friend and I have worked on this problem for about 2 hours straight (from our online HW) and can't get the answer right. The help offices and the professor are closed/gone for the weekend. Can anyone please help?! :eek: At 80.0m below the surface of the sea (density = 1.025g/cm3)...

For this experiment, you don't have to go into the lab. I thought it would be a breeze but I was wrong. The problem I'm having is collecting the data. The figures given are to be used to find the data but I don't know what I'm looking at and how to find the tan planes. Is there someway to...

Why don't neutral particles leave tracks in the bubble chamber? How is the bubble formed, is it condensation around ionised hydrogen, or around the particles?

According to this release, bubble fusion (i.e. using ultrasonic waves to induce the rapid collapse of bubbles causing the atoms at the center to fuse), has been convincingly demonstrated in the laboratory. http://www.rpi.edu/web/News/press_releases/2004/lahey.htm#cool At least two movies...

Bubble Fusion - verified?! http://www.rpi.edu/web/News/press_releases/2004/lahey.htm#cool: could this finally be it?

Dear Sirs, i need your help in this question, truthly i can't solve it. so kindly asking you to send me an answer with proper explanation if possible. the question is: an air bubble has a volume of 2.5 cm3 when released at a depth of 40m in water. What will its volume be when it reches...

Bubble problem---momentum Here is the problem I'm having trouble with: Some solidified lava contains a pattern of horiznotal bubble layers separated vertically with few intermediate bubbles. As the lava was cooling, bubbles rising from the bottom of the lava separated into these layers and...

Hey everybody! this is my first time on this site and i really hope i'll get an answer 'cause i don't know it... ... and to the point: 2 bubbles are at the same depth in the ocean. asumption 1: the temperature is the same in the whole ocean. assumption 2: the pressure is smaller as you go...

Show that inside a soap bubble, there must be a pressure \Delta P in excess of that outside equal to \Delta P = 4 \gamma /r where r is the radius of the buble and \gamma is the surface tension. My first question is: The pressure on what!? Are they referring to the pressure on the bubble...

Ok, I am not a physicist or a mathematician. I'm more of a philosopher, because its the only discipline people who are broke can afford and still be good at. :smile: Still, I had a puzzling thought the other day, and I was wondering if at least the concept held some water. Please feel free...

Does anyone know where to find some high quality bubble chamber photos? Any information would be appreciated.

someone told me to post this so i could get more of an intelectual veiw on it. i was talking to someone i work with about our veiws on the universe and possible natures of it. i came up with a theory of us living in a giant bubble. the universe is a bubble and and though it seems giant and...

I work with computer graphics as a hobby, and I want to create a system to model a cluster of bubbles. Has this been done realisically before? I don't want to do anything too complex, but I've read that bubbles only join at certain angles. How could I set up a script for bubbles to blob together?

I've got the answer to this problem, but I didn't find it clear enough as an explanation on how to backsolve it. I was wondering if you guys could help me with it. Thanks! Here it goes... Answer: "1.5 cm/s downward (the bubbles rise but layers descend)." Problem: "Some solidified...

Does anyone know if an electric field passing through a column of conductive fluid would excite the gas on the perimeter of a bubble in that fluid, if the gas were prone to be excited?

This Paper may be large, but it is a must for some pretty far reaching consequences for Cosmology. http://uk.arxiv.org/PS_cache/astro-ph/pdf/0312/0312347.pdf I will astounded if the paper is not seen in the near future as a remarkable paper of astronomical foresight and will be a paper...

When there is an explosion on Earth the void created is quickly filled with Earth debris. When we view an exploding star there is no debris (understandable) but there is a large bubble with a void in the middle. Why is the universe NOT shaped like a large bubble with a void since the accepted...

what is it and how was it prooved?

To know what I'm talking about you'll have to do a little experiment... Go to your bathroom, take some soap and foam up your hands. Make a "bubble" with your index finger and your thumb, then reflect the light from a lamp in the "bubble". After a little while oil-like rainbowcolored patterns...