Quantum computing has moved from theory to commercial reality, and this DW film tracks who is actually using it and why. A Swiss start-up building artificial lungs explains how it hopes to use quantum algorithms to cut down on animal testing and speed up cancer research, while a private investor describes opening commercial quantum access to Swiss start-ups for the first time. Engineers and scientists at Google and IBM appear discussing their race to build faster, more stable machines, and researchers weigh in on claims that quantum systems could help store renewable energy or overhaul logistics networks. The film treats the technology honestly as unproven: nobody interviewed claims to know its ceiling, and several warn that the hype has outrun the hardware. Interviews with lab researchers, company founders, and industry analysts are cut together with footage of the machines themselves, cryogenic chambers and delicate wiring included. The result is a grounded look at an industry selling revolutionary promises while still working out the basics.