By posing a continual stream of pertinent questions, a nonmathematical computer program can prod freshman...

For instructors wishing to use physics as part of an international or general education course,...

Gathering information from students for learning assessment is a critical need of any teacher. In...

Seawater has been irradiated using a train of 70 ns flashes from a 440 nm...

Nighttime water-leaving radiance is a function of the depth-dependent distribution of both the in situ...

This paper provides a brief introduction to using ray-traced computer graphics for creating illustrations to...

Instructors who wish to implement an interactive lecture style, such as peer instruction, have the...

An approach to experimentally measuring the speed of a moving object by direct application of...

A method for experimentally measuring g, the Earth's gravitational acceleration, is presented. This method uses...

Picosecond laser pulses have been used to produce Rydberg wave packets in calcium atoms in...

Unipolar “half-cycle” electric field pulses (HCPs) have been used to recombine free electrons and calcium...

Subpicosecond half-cycle pulses and a single-shot imaging detector have been used to monitor the evolution...

The oscillation between bound-state configurations in a rapidly autoionizing three-body Coulomb system has been directly...

We have developed a new instrument for monitoring electronic wavepacket dynamics using a single electromagnetic...

We report the first observation of ionization of Rydberg atoms by subpicosecond, circularly polarized THz...

Rydberg atoms are ionized by nearly unipolar, subpicosecond electromagnetic pulses. Deviations from a perfectly unidirectional...