a little surprise as a thank you can i just ask. you'll find as i did have a dot com slash science all drop us a line at d w underscore site tech on facebook d.w. dot science. time for al. video of the week this 3 d. printed robot fascinated many of us. it's a model of all robots escapes to an extinct tetrapod that lived during the pearling an era around 219000000 years ago. scientists at berlin's who bought university and the playtex institute of luzon drew on the fossil and fossil tracks to create a robot simulation. called our robots it's made out of motors with flexible plastic and steel parts.