Explore a world of inventive science experiments with everyday items such as balloons, a smartphone, and a plastic bottle.

You will need some warm water, a small clean plastic soda bottle, a packet of yeast, 1 tablespoon of sugar, and a small balloon. First, you need to fill the bottle p with bout 1 inch of warm water.

The first possible launch date is today Monday 22 May, in the afternoon. BEXUS (Balloon EXperiment for University Students) is a yearly recurring experimental stratospheric balloon flight involving ...