J. H. Oort
The gyroscope, pendulum and vibrating elements all hold their position to the fixed stars.
isotopes of super-cooled liquid helium
Murray Gel-Mann's quark
Rachel Carson's example of the "bad quarter" of a hurricane.
destructive force increases as the square of the wind speed
relative mass increase
relative mass increases as speed is increased
conservation of energy
fixed pitched blade
main rotor blade
no cyclic pitch control
force that would tip a helicopter over
Einstein used mind pictures
d and f shells in iron that cause magnetism
The proton is composed of two up quarks and one down quark.
the neutron is built of two down quarks and one up quark.
opposite charge effect
These links, on left hand side of page, will cover what you will be reading in Chapter 13.