Engineer Guy Bill Hammack explained the ingenious design behind a recyclable two liter PET plastic soda bottle.

When inflated with high-pressure air, the soft plastic expands to the size of a 2-liter soda bottle. The preforms arrive at Fillakit’s warehouse in a huge shipping container. The tubes are then ...

Thousands of plastic tubes and bottle tops are washing up on the Cornish coastline near Falmouth. The spray bottle tops have ...

A valve from a bicycle inner tube, the longer the valve the better ... The water is much heavier than the empty plastic bottle.