I bought a helium baloon from UK www.helikites.com in January this year! = I must say they do not worth money. When I was speaking with boss from = the company he said yes afcourse you can put up abo
antennas in the UK? Chris: A source for both balloons and helium gas in the UK is http://www.balloonworks.co.uk/ Here in the states Edmumd Scientific Co. sells weather balloons. A source of helium g
Chris, Weather Balloons are available from Fair Radio Sales and Edmund Scientific from reasonable prices. Hydrogen has greater lifting power and is available from most industrial gas suppliers by ren
Herb Two questions for you. These may be outdated, but I'll ask anyway. I've heard that the gas molecules for hydrogen are much smaller than helium, and that the gas bag must be much less porous. Wil