The shelves are two Trofast systems from IKEA:  http://www.ikea.com/us/en/catalog/categories/departments/childrens_ikea/

5 Ways to Organize Your Playroom

The shelves are two Trofast systems from IKEA: http://www.ikea.com/us/en/catalog/categories/departments/childrens_ikea/

Katherine Johnson, photographed at Fort Monroe, in Hampton, Virginia. Photograph by Annie Leibovitz.

Katherine Johnson, the NASA Mathematician Who Advanced Human Rights with a Slide Rule and Pencil

1951 SLIDE RULE Print Advertisement DIETZGEN by phorgotten

1951 SLIDE RULE Print Advertisement • DIETZGEN Antique Slide Rules • 1950s Retro Advertising • Black & Orange Wall Decor • 50s Science Ad

Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up in T...

Slide Rules were the Original Personal Computers

Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up in T...

Slide Rules were the Original Personal Computers | Hackaday

Slide Rules were the Original Personal Computers

Slide Rules were the Original Personal Computers | Hackaday

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