July Fourth crab feasts, rooftop parties and a hot-dog-eating contest are on the agenda, along with outdoor movies, concerts ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...

All light is made up of waves of electromagnetic radiation. A spectroscope spreads each different wavelength to a different position within a spectrum of light. Music is digitally recorded as circular ...