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Physics heresy: projectiles don’t actually make parabolas
Physics heresy: projectiles don’t actually make parabolas
Taught in every introductory physics class for centuries, the parabola is only an imperfect approximation for the true path of a…
Ethan Siegel
Sep 12
Inflation and dark matter are not like string theory
Inflation and dark matter are not like string theory
Inflation, dark matter, and string theory are all proposed extensions to the prior consensus picture. But what does the evidence say?
Ethan Siegel
Sep 11
The one cosmic secret that demands a new particle collider
The one cosmic secret that demands a new particle collider
The observation that everything we know is made out of matter and not antimatter is one of nature’s greatest puzzles. Will we ever solve…
Ethan Siegel
Sep 10
Ask Ethan: Why are inertial and gravitational mass equivalent?
Ask Ethan: Why are inertial and gravitational mass equivalent?
The mass that gravitates and the mass that resists motion are, somehow, the same mass. But even Einstein didn’t know why this is so.
Ethan Siegel
Sep 6
What do unexpected experimental results actually tell us?
What do unexpected experimental results actually tell us?
Scientific surprises, driven by experiment, are often how science advances. But more often than not, they’re just bad science.
Ethan Siegel
Sep 5
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