your entire outfit was. t could know exactly how green your entire outfit was.- your entire outfit was. i don't actually have _ your entire outfit was. i don't actually have to _ your entire outfit was. i don't actually have to wear - your entire outfit was. i don't actually have to wear green, | actually have to wear green, though. _ actually have to wear green, though, do i? actually have to wear green, though. do i?— actually have to wear green, though, do i? you keep rocking the blue and — though, do i? you keep rocking the blue and i _ though, do i? you keep rocking the blue and i will— though, do i? you keep rocking the blue and i will keep - the blue and i will keep rocking the grey, in more ways than one! here is a way of making your gadgets greener by using sustainable energy. something this solar cell factor in sweden is taking to the next level. this machine is printing custom nano ink onto solar panels and they don't even need the sun to charge. we have developed our own nano inks and in this machine we print that ink on the proprietary substrate. how is the end result and the usage of it different to other solar cells? it actually harvests all kinds of light. it's sort of like artificial photosynthesis so we work under any light conditions, led, normal light bulbs, even in the shade. any kind of light. you are sort of using electricity but i guess it's electricity that's being used anyway? we are recycling light. the extra efficiency means