The postdoc explained to me how to distinguish different sorts of particles on the basis of the amounts of energy they deposited in various sorts of detectors, spark chambers, calorimeters, what have you. ↗
The spread of civilisation may be likened to a fire; first, a feeble spark, next a flickering flame, then a mighty blaze, ever increasing in speed and power. ↗
The more you achieve, the more interest it should spark to go further, because there's so much - and I don't mean monetarily and I don't mean in society. This whole experience of living is so rich! ↗