Note the loss of buoyancy due to the diffusion of He through the latex balloon.

It is much less permeable than regular latex balloons and the experiment will take too long.

A balloon helicopter is a toy helicopter made of a latex balloon and a plastic propeller.

Out of desperation and boredom, Tillotson discovered a way to make latex balloons economically.

The helium will diffuse through the latex balloon over a period of hours or a few days, depending upon the balloon.

Many stories have made their way into the press, presented as fact but unsubstantiated, that latex balloons will adversely affect sea life.

Rather than a floral centerpiece on a table, why not an art object made of deflated latex balloons?

Charge up a latex balloon with fur.

The float time for each latex balloon is approximately 5-7 hours.

Ms. Davidson, whose sculptures frequently involve latex balloons dressed in human clothing, also put the award to use immediately.