In this episode, Hope talks hydrogen storage with her mom (Gloria) and her sister (Dana)! (Ana isn't in this one because it was the holidays and we weren't in the same state.) We've got space flight, we've got submarines, we've got van der Waals forces, and we've got lots of questions about whether hydrogen could be a useful fuel for everyday applications like cars. Brass quintet version of our theme song arranged by Hope's dad (Bill Wilson) and featuring Bill on the tuba, Gloria and Dana on French horn, Alex (Hope's brother) on trumpet, and Hope on trombone. Sources: hydrogen vs. gasoline: Schlapbach, L.; Züttel, A. Hydrogen-Storage materials for mobile applications. Nature 2001, 414, 353–358. (density of liquid hydrogen (71 kg/m3) and gasoline (~720 kg/m3) obtained from Google) density of gaseous hydrogen at 800 bar: Züttel, A. Materials for hydrogen storage. Materials Today 2003, 6, 24–33. density of solid hydrogen: Density and Compressibility of Solid Hydrogen and Deuterium at 4.2K, https://www.nature.com/articles/138244a0 more info on NASA + liquid hydrogen: https://www.nasa.gov/feature/ultra-cold-storage-liquid-hydrogen-may-be-fuel-of-the-future van der Waals: https://en.wikipedia.org/wiki/Van_der_Waals_force, http://academic.brooklyn.cuny.edu/biology/bio4fv/page/van_der.htm  MgH2 destabilization with decreasing particle size: Wagemans, R. W. P.; van Lenthe, J. H.; de Jongh, P. E.; van Dillen, A. J.; de Jong, K. P. Hydrogen Storage in Magnesium Clusters: Quantum Chemical Study. J. Am. Chem. Soc. 2005, 127, 16675–16680. (oops this source says that bulk MgH2 releases hydrogen at 300C at 1 bar hydrogen, but that is contradicted by this next source ...) Vajo, J. J.; Mertens, F.; Ahn, C. C.; Bowman, R. C. J.; Fultz, B. Altering Hydrogen Storage Properties by Hydride Destabilization Through Alloy Formation: LiH and MgH2 Destabilized with Si. ChemInform 2004, 35, 13977–13983 (... which says that it's 275C at 1 bar hydrogen; also this is where i got my info for LiH) extracting hydrogen from cyclohexane: Li, L.; Mu, X.; Liu, W.; Mi, Z.; Li, C.-J. Simple and Efficient System for Combined Solar Energy Harvesting and Reversible Hydrogen Storage. Journal of the American Chemical Society2015, 137, 7576–7579. info about a range of complex hydrides: Ley, M. B.; Jepsen, L. H.; Lee, Y.-S.; Cho, Y. W.; Colbe, J. M. B. V.; Dornheim, M.; Rokni, M.; Jensen, J. O.; Sloth, M.; Filinchuk, Y.; et al. Complex hydrides for hydrogen storage – new perspectives. Materials Today 2014, 17, 122–128. info about nanoconfinement of hydrides (scroll down to "Nanomaterials as functional support for hydrides"): Yu, X.; Tang, Z.; Sun, D.; Ouyang, L.; Zhu, M. Recent advances and remaining challenges of nanostructured materials for hydrogen storage applications. Progress in Materials Science2017, 88, 1–48. span style="font-family:Calibri