Graduation weekend usually means big balloon sales in the floral department at County Market in White Oaks West. This year, it could mark the last helium balloons for who knows how long. The problem?

If you’d like to make a point about the physics of helium balloons, just stick one in a vacuum. One of the earliest physics demonstrations that I ever witnessed was a simple one explaining the motion ...

ATLANTA — Scores of new laws that were passed this year by the Georgia General Assembly take effect today, July 1. But a ban on helium balloon releases, the kind typically done at a memorial or vigil, ...