video Watch how 19th-century Genaille-Lucas calculating rulers work Andrea James

Boing Boing Gadgets The iPhone of slide rules David Pescovitz

Technology Why students are forced to buy this expensive and obsolete Texas Instruments calculator David Pescovitz

astronomy SunCalc: customizable data for the sun at any time and place Andrea James

Games Tetris on the 1989 Sharp Wizard Rob Beschizza

Technology Seiko's 1984 UC-2000 smartwatch had it all Rob Beschizza

Science Greatest mechanical calculating devices of all time Jason Weisberger

utilities Movie Span is a helpful website that allows users to easily see what time their movie will end Popkin

websites Pandoc is a universal document converter Rob Beschizza

fear HP's CEO stokes fear of cheap ink Jason Weisberger

retrogaming Portal 64: Portal for Nintendo 64 Rob Beschizza

gadgets Casio watch ring looks wonderfully ridiculous, but is sadly non-functional Rob Beschizza

electronics Far-out commercial for Sharp electronics from 1978 tape of Star Wars Holiday Special (video) David Pescovitz

corporatism CEO who made $5M last year tells employees asking for more money to "leave Pity City" Thom Dunn

Boing Boing Gadgets Getting your taxes done has never been easier than with this app and it's only $49 Boing Boing's Shop

Moral panic article from 1984 about the demise of slide rules Mark Frauenfelder

Boing Boing Gadgets Get over 120 handy webtools you can use in your browser for just $30 Boing Boing's Shop

Boing Boing Gadgets Channel your inner Einstein with this innovative calculator you can actually write on Boing Boing's Shop

Spoken Word with Electronics The Role of Analog Shift Registers in Electronic Music Ethan Persoff

lego Lego set for The Office available for pre-order Mark Frauenfelder