THESE lectures are more in the nature of comments on wave mechanics than a formal treatment. This is especially true of the first three sections, on waves and corpuscles, the uncertainty principle, ...

Time-domain finite-difference (TDFD) method is the most dominant approach for seismic wavefield simulation. Due to the memory and computational cost of the computer, finite-difference (FD) simulations ...

For those of you who take sandcastle building very seriously, listen up: engineers now say you can trust a very simple equation to calculate the force required to push a shovel -- and any other ...