This Shirt Is Blue Size:Bag you can express your opinion

you can express your opinion with the "It works on my machine" shirt

buildings and ships into your (warm and safe) home with the

don't actually exist

was Maschinen alles leisten können

This Shirt Is Blue Size:Bag you can express your opinionIf you make an effort and run really [i]fast[ i], this green T shirt could appear blue. And by fast, we mean really fast ;) We have the Doppler effect to thank for this play of colors. This is not only suitable for funny noises and costumes, but also for optical effects thanks to the red shift. In short, the wavelength of light changes due to movement and our eyes perceive a different color accordingly. By the way, like most of our shirts, this motif