Hysata Paul Barrett’s firm has developed tech to make cheaper green hydrogen “If you remember being a kid and blowing up a balloon or into a milkshake ... Read even more Share this article Search Popular posts ‘I found secret room in my house and history is terrifying’ 2025-03-25 You’ve been using OXO cubes wrong – clever hack turns them into sachets 2025-03-09 ‘Entitled plane passenger kept digging knees into my seat – I got best revenge’ 2025-03-12 People are only just realising what the cap on your kitchen sink can be used for 2025-03-22 Travel expert’s top tip for ‘bagging cheapest holiday flights’ with ease 2025-03-06