Hot gases don’t produce a continuous emission spectrum. Black hydrogen absorption lines are at the same wavelength as the bright hydrogen emission lines. Key fact Line emission spectra are ...

There are several Spectrum packages. You can bundle the 500Mbps plan with a mobile line and cable TV for $50 monthly -- a price good for one year. If you're not looking for cable TV, you can get ...

Both ISPs increase their prices after a year, but Spectrum offers a cheaper cost per Mbps down the line at 13 cents vs. 39 cents with Xfinity. In addition, some markets may be required to sign a ...