links for 2009-04-20 It really is a series of tubes — girlwonder A high speed history lesson on pneumatic tubes presented by Molly. Good fun, plus some great archival imagery. (tags: pneumatictubes communication presentations mollywrightsteenson architecture history) Published by Kars Alfrink Kars is a designer, researcher and educator focused on emerging technologies, social progress and the built environment. View all posts by Kars Alfrink