i'm not superman, i'm just jason koger. >> now as much credit as we give to the technology, it's really as well. when i mate jason and -- met jason and katie i was so inspired. they pushed the limits. for instance on tru tumblr, jason taught me to shoot a cross bow. that was so cool that somebody with no arms would be teaching me this. you can find more when you look on "techknow." >> the intersection of hardware and technology. >> that's our theme. we'll be sure to bring you more stories next time on "techknow." >> dive deep behind these stories and go behind the scenes at aljazeera.com/"techknow." following us on twitter facebook, google plus and more. >> massive delays confirmed at veteran hospital, veterans waiting months for an point. the president in a speech to west point graduates saying that america must lead. and more on the death of maya angelou.

i'm not superman, i'm just jason koger. >> now as much credit as we give to the technology, it's really as well. when i mate jason and -- met jason and katie i was so inspired. they pushed the limits. for instance on tru tumblr, jason taught me to shoot a cross bow. that was so cool that somebody with no arms would be teaching me this. you can find more when you look on "techknow." >> the intersection of hardware and technology. >> that's our theme. we'll be sure to bring you more stories next time on "techknow." following us on twitter facebook, google plus and more. >>tomorrow on tech know. >> we probably ought to put the goggles on now. >> visionary technology. >> >> these goggles will help surgeons detect tumors that are less than one millimeter in size. >> life changing. >> these have the potential to revolutionize the way that we approach patients with mini cancers. >> tech know, every saturday go where science meets humanity. >> this is some of the best driving i've every done, even though i can't see. >> tech know. >> we're here in the vortex. >> tomorrow, 7:30 eastern. only on