Flanagan said that when she attempted to board her Ryanair flight out of Dublin she was told that her water bottle had to be zipped into her bag and approved by the staff who needed to see it fit ...

Of his inspiration for the activation, he explained that he questioned why he would always see plastic single-use water bottles on flights. "It's a dream come true...why can't we have aluminum?

Once the bottle is empty of water, its flight starts to slow. If the rocket doesn't fly at all, check two things: Is water escaping from the bottle? Look around the cork to check if it's sealing ...

A member of the gate staff pointed to her 750ml water bottle, hanging by a strap across ... big and she would have to “pay to get on the flight”, Ms Flanagan said.