Some observations on classical and quantum physics. Mathematical methods in the sciences, puzzles and more.
Imagine a long distance runner who runs a 10 miles in 50 minutes (averages 1 mile every 5 minutes). Is it true that he has to have one stretch of 2 miles which is completed in EXACTLY 10 minutes?
Intuitively, … Continue reading
Light has no mass – yet it can push solar sails. How?
It is true that photons do not have “rest” mass. They do have energy – and hence an associated mass given by m = E/c2. Light has momentum … Continue reading
If you threw an egg at your bedsheet or blanket (held from all 4 ends), would it break?
The answer is no. Newton said that the force that the egg would experience, would depend on the ‘rapidity’ with which it came … Continue reading
The complex exponential – reduces to Euler’s identity if -i.e. is purely imaginary.
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