Detonation Quotes (2 quotes)
It has the property of detonating very violently in certain circumstances. On one occasion a small amount of ether solution of pyroglycerin condensed in a glass bowl. ... When the bowl was heated over a spirit lamp, an extremely violent explosion occurred, which shattered it into small fragments. On another occasion a drop was heated in a test-tube, and exploded with such violence that the glass splinters cut deep into my face and hands, and hurt other people who were standing some distance off in the room.
[Describing early experiments on his discovery of nitroglycerin.]
[Describing early experiments on his discovery of nitroglycerin.]
From speech to the Royal Academy of Turin (1847). In Robert Shaplen, 'Annals of Science, Adventures of a Pacifist,' The New Yorker (15 Mar 1958), 49.
One can argue that mathematics is a human activity deeply rooted in reality, and permanently returning to reality. From counting on ones fingers to moon-landing to Google, we are doing mathematics in order to understand, create, and handle things,
Mathematicians are thus more or less responsible actors of human history, like Archimedes helping to defend Syracuse (and to save a local tyrant), Alan Turing cryptanalyzing Marshal Rommels intercepted military dispatches to Berlin, or John von Neumann suggesting high altitude detonation as an efficient tactic of bombing.
In 'Mathematical Knowledge: Internal, Social and Cultural Aspects', Mathematics As Metaphor: Selected Essays (2007), 3.