![Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine](https://images.immediate.co.uk/production/volatile/sites/4/2021/08/Alamy_2F3Y8J0-crop-ff47efc.jpg)
Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
Ben Johnson on Instagram: “Nike Alphafly - Legit Check ... Lots of fake Alphafly's out there unfortunately. Some are looking pretty good. So far it appears a pretty…”
Ben Johnson on Instagram: “Fake Nike Alphafly! ... One more shot of the fake Alphafly's from @protosofthegram compared to my real pair. The most obvious difference is…”
![Ben Johnson on Instagram: “Nike Alphafly - Legit Check ... Lots of fake Alphafly's out there unfortunately. Some are looking pretty good. So far it appears a pretty…” Ben Johnson on Instagram: “Nike Alphafly - Legit Check ... Lots of fake Alphafly's out there unfortunately. Some are looking pretty good. So far it appears a pretty…”](https://scontent-atl3-1.cdninstagram.com/v/t51.2885-15/348433327_929360424847827_6439170363863267860_n.webp?stp=dst-jpg_e35&_nc_ht=scontent-atl3-1.cdninstagram.com&_nc_cat=103&_nc_ohc=rtHmCPqBuBMAX-2N6OP&edm=ABmJApABAAAA&ccb=7-5&ig_cache_key=MzEwOTY5MzUwODY0NjY0NDI1MA%3D%3D.2-ccb7-5&oh=00_AfBayU2-Ah1eQ4lCKlDId-idTk3c1qWASUCF3BUoXnFdHw&oe=64A44F5F&_nc_sid=b41fef)