ChemE Stewart wrote:
http://www.nature.com/nature/journal/v498/n7453/full/498179a.html
Cosmology: Hydrogen wisps reveal dark energy
Recently Referenced Work (but what appears to be the arXiv versions):
http://arxiv.org/pdf/1211.2616.pdf
http://arxiv.org/pdf/1301.3459.pdf(FYI: This is a Summary Article and the 2 refs above are to the actual work. If you do a search on the Lead Authors, you will find more current papers regarding this on arXiv, also.) Cheers, Mark Jurich
