159 citations · 616 across the 14 of their papers we have counts for
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physics.ed-ph2013
Frictionless Racquetball?
Robert Brashear, Kevin Kim, Carolina Santos +1
When a ball hits a surface, does the angle of reflection always equal the angle of incidence? Not at all! Depending on the interplay of the ball's spin and speed and the force of f…
gr-qc2013
Quantum matter in quantum space-time
Martin Bojowald, Golam Mortuza Hossain, Mikhail Kagan +1
Quantum matter in quantum space-time is discussed using general properties of energy-conservation laws. As a rather radical conclusion, it is found that standard methods of differe…