melissa chad, thanks for watching dw, the goals we say they're never giving up every weekend on d. w. dw, on pixels we in fact, every day, the world wide web feel free to leave, the doctor is always highlighted because we can take the different w call, the world unpack, pulse of your info is and all the input your b, w story. now on to the tiny solar cell, my thing about the revolution i, solar energy, as we know it, it's more efficient than a spend. that's it, it can solar cell. it can be easily synthesized and doesn't need to be mind like silica as it can work on to in film. so you probably a smart house speaker, but it also it can go on your roof. say hi to this crystal struck chuckle is pearl skies. it promises improvements to solar cells that are almost too good to be true . that's why we're using solar cells. well for spouses, the regular solar cells, you know, i made with silicon and they actually quite inefficient, converting some light into energy. only about 20 to 25 percent of sunlight can be captured on a commercial size, but that silicon needs to be mine. and purified

melissa chad, thanks for watching dw, the goals we say they're never giving up every weekend on d, w, dw, so on pick. so we in fact every day, the world wide web feel free to come all the way we can take the different w.

i'm melissa chad. thanks for watching dw, the conflicts crises, every single connection mapped out shows the geo political reality. the on the board is what makes things the way they are mapped out, navigating a changing world. now on youtube mountain west. i mean, i know i might just do it and i'm hoping dw newport.