Today in STEM History - August 30, 1969 the first Interface Message Processor (IMP) was delivered to a research group at UCLA marking the birth of ARPANET, the precursor to the modern internet. The IMP idea evolved into routers enabling today's superfast networks. See how routers work. UCLA Advanced Research Projects Agency BBN Technologies IEEE Internet Society Cisco Networking Academy IBM AT&T @MIT Stanford Research Institute #stem #stemforkids #stemhistory #communications #internet #router #a