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What I want to know is why after a few days when the balloon may still have some helium left in it, does it no longer make the tone of your voice high !!....or is it just air that is left in the balloon ?
Quote from: neilep on 09/12/2006 17:51:24What I want to know is why after a few days when the balloon may still have some helium left in it, does it no longer make the tone of your voice high !!....or is it just air that is left in the balloon ?helium is helium even after a few days
QUESTION!! I have always been curious as Quite a while back I read an article about helium and children! Can it really cause the lungs to explode? or some thing like that! They said it was extremely dangerous to allow them to fo as too much could basically rupture the lungs! Seeme odd. How would one suck in more then the lung could handle! Does Helium expand or become different? I don't get it if it is true!
Basically, don't breathe pure helium under *any* circumstances. You would be very lucky not to die.
And the 2006 DARWIN AWARD Winner is...HIGH ON LIFE: "Take a deep breath..."(3 June 2006, Florida) Two more candidates have thrown themselvesinto the running for a Darwin Award. The feet of Jason and Sara,both 21, were found protruding from a deflated, huge heliumadvertising balloon. Jason was a college student, and Saraattended community college, but apparently their education hadglossed over the importance of oxygen.When one breathes helium, the lack of oxygen in the bloodstreamcauses a rapid loss of consciousness. Some euthanasia expertsadvocate the use of helium to painlessly end one's life.The pair pulled down the 8' balloon, and climbed inside. Theirlast words consisted of high-pitched, incoherent giggling as theyslowly passed out and passed into the hereafter.Sheriff's deputies said the two were not victims of foul play. Nodrugs or alcohol were found. The medical examiner reported thathelium inhalation was a significant factor in their deaths. Afamily member said "Sara was mischievous, to be honest. She likedfun and it cost her."
Incidentally, someone in the thread above suggested that helium atoms packed closer together than other air molecules... not so. Atoms/molecules in gases are, to a good approximation, spaced the same (at the same temperature and pressure) regardless of whether the gas is oxygen, nitrogen, CO2 or helium.Since one helium atom weighs a lost less than a molecule of more or less anything else (except hydrogen gas), helium gas is the lightest non-explosive gas you can get. Hence why helium filled balloons float.