He formulated the equation E=MC2, which converted energy and mass which he discovered were part of the same reality. ... I am a strong believer that ideas should be subject to change, and that we should learn from our past and be very wary of our structuring of ideas into belief systems that become increasingly hard to change even if it is proven for the better. ...
This new leisure time, the availability of new automobiles, and the freedom provided by new freeway and interstate systems provided families with an opportunity for a different type of "weekend togetherness." ... As the new freeway systems and the rise in car ownership freed Americans to move to the suburbs, it also caused a breakdown within the "familial chain of cooking." ...