4 promising startup ideas from MIT Demo Day

A personal temperature regulator, an “espresso machine” for diet supplements, a power meter for cyclists, and a satellite propulsion system were among the standouts at MIT Global Founders’ Skills Accelerator Demo Day.

Yes, your pre-schooler can program too

ScratchJr is a programming language customized to help very young kids build interactive games and storage. Now a new iPad app brings it to that audience.