Ah, the stately hot air balloon. Not really useful for all that much except for having a grand old time floating around the skies, it's still a marvel of simple physics. Fill a giant balloon with air.
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.