general theory:
The Work of Art in the Age of Mechanical Reproduction by Walter Benjamin
The Futurist Manifesto by Marinetti

Interface readings:
The Antimac interface
ACM Human Computer Interaction ACM SIGCHI
ACM SIGCHI serves as an international venue for specialists in human-computer interaction, education, usability, interaction design, computer supported cooperative work, and other related areas. The group helps to organize and coordinate information through online services, traditional publications, local SIGS, conferences, workshops, and symposia relating to HCI.

Vannevar Bush's seminal article As We May Think Written in 1945
He urges that men of science should then turn to the massive task of making more accessible our bewildering store of knowledge. For many years inventions have extended man's physical powers rather than the powers of his mind...

Rhizome.org Join their mailing list digest NOW This is the best online resource for new media art. Look at Alt.interface and the commision avaialable. Also has a good list of links to improtant sites.

MIT Media Lab

Yugop

Important exhbitions:
The Whitney's Bitstreams Exhbition
San Francisco MOMA's 010101: Art in technological times

Leonardo Journal

NYU ITP

Parsons MFADT

SVA

Jodi.org Eduardo Kac

Physical Computing:
NYU
Steim
ADBIO
EZIO
HandyBoard
Art Interface Device
IO-232
ICube
Tangible media group at MIT