If we suggest anything other than the Printing Press, Brockman will cancel our Christmas bonuses and New Years Eve turkey. So: the greatest invention in the past two thousand years is the printing press. Next is the thermos bottle.

If we suggest anything other than the Printing Press, Brockman will cancel our Christmas bonuses and New Years Eve turkey. So: the greatest invention in the past two thousand years is the printing press. Next is the thermos bottle.
Links:
[1] http://www.edge.org/annual-question/what-is-the-most-important-invention-in-the-past-two-thousand-years
[2] http://www.edge.org/inthenews/what-is-the-most-important-invention-in-the-past-two-thousand-years
[3] http://www.edge.org/contributors/what-is-the-most-important-invention-in-the-past-two-thousand-years
[4] http://www.edge.org/responses/what-is-the-most-important-invention-in-the-past-two-thousand-years
[5] http://www.edge.org/print/response-detail/11278
[6] http://www.edge.org/memberbio/leon_m_lederman