Mechanical Engineers use \(y\) as a coordinate axis at the ground pointing towards the sky. Dissimilar, Aerospace Engineers use \(y\) as a coordinate fixed to a flight-vehicle pointing towards the Earth. This is why Mechanical Engineers have their feet on the ground, and Aerospace Engineers have their heads above the clouds.
Author Archives: saemiller
Navier Choisy Bridge Signature (1785)
Friedwardt Winterberg
Wernher Von Braun once said that we have invented rockets, not to destroy our planet, but to explore the universe. Similarly, we may say that we have discovered thermonuclear energy, not to destroy our planet, but to advance mankind toward a peaceful, galactic culture. Friedwardt Winterberg
Shocks, a Whole Family
Generalized Burgers’ Equation
Dirac and Feynman Discussion
Mystery of $e$ and $i$
One Explosion Tests and thoughts on Terribleness
Trinity: the first four seconds. Oppenheimer later told journalists, “If you ask: can we make them more terrible, the answer is yes; if you ask: can we make more of them, the answer is yes; if you ask: can we make them terribly more terrible, the answer is-probably.”