Dark energy

Data analysis and graphing in an introductory physics laboratory: spreadsheet versus statistics suite

Data Mining the University: College GPA Predictions from SAT Scores

Daytime Celestial Navigation for the Novice

de'Broglie's paradox, relativistic Doppler effect, and the derivation of mass-energy relation in special relativity

Decoding Pure Rotational Molecular Spectra for Asymmetric Molecules

Density Functional Theory -- an introduction

Designing Effective Questions for Classroom Response System Teaching

Detecting galactic hydrogen line emission

Determining Planetary Temperatures with the Stefan-Boltzmann Law

Determining the Muon Mass in an Instructional Laboratory

Developing and Researching PhET simulations for Teaching Quantum Mechanics

Development and Field Testing of the Nuclear Science Wall Chart

Difficult Problems Having Easy Solutions

Difficulties of Model Construction in Optics (Probleme der Modellbildung in der Optik)

Digital image exploration at Maui Community College

Direct quantitative measurements of Doppler effects for sound sources with gravitational acceleration

Direction dependency of extraordinary refraction index

Disciplinary authenticity: Enriching the reforms of introductory physics courses for life-science students

Disciplinary Knots and Learning Problems in Waves Physics