When you are planning a celebration, the last thing you want is for the key pieces of decor to sag before guests arrive.
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Explore the stratosphere with a DIY pico balloon
A tiny ham-radio transmitter lets you track a balloon globally ...
NORFOLK, Va. — Spongebob, Mickey Mouse and of course Snoopy. They're all staples of the Macy's Thanksgiving Day Parade! This annual tradition mixes art, music, and science for millions of viewers.
It makes sense that a balloon filled with a lightweight gas such as helium would float when surrounded by heavier air. But why does filling a huge balloon with hot air also make it float? This ...
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