Seawater Battery
When two different metals are placed in a salt solution (an electrolyte) the chemistry produces a voltage. This is called a cell. By wiring up a number of these cells we can make a battery and use it to power electrical circuits.
More details | Watch nowElectron Waves Unveil The Microcosmos
Since the time of Faraday lines of force in space have been 'observed' by sprinkling iron filings around magnet. The lecturer explains how, with modern techniques we can 'see' lines of force inside a solid magnet. The studies reveal a fascinating dyn....
More details | Watch nowNuclear Power Plant Safety – What’s the Problem?
A significant proportion of our electricity is generated by thermonuclear reactions. The dangers attached to these processes and the radioactive products are well known and publicised. Much less well known are the measures taken to ensure that the hi....
More details | Watch nowExtremely Fast Chemical Reactions
This interview starts with Eigen (Nobel Prize in Chemistry, 1967) talking about his early work for his PhD thesis on fast reactions and measuring the specific heat of heavy water. He says that light water had already been measured in classical chemis....
More details | Watch nowVoyage to the Bottom of the Deep
We are only just developing the technology necessary to probe deep beneath our oceans. Contrary to earlier expectations, we are finding whole new ecosystems of life. Are the ocean depths the next new frontier? Over half the surface of the earth is co....
More details | Watch nowPlague-carrying crayfish
Synthesis of Stable, Water Soluble Gold Colloids
Ligand exchange reactions were utilized in the production of aggregation-resistant gold nanoparticles, having an average diameter of 5 nm, comprising a gold core capped with a mixed shell of citrate and zwitterionic ligands. The prepared nanoparticl....
More details | Watch nowWakulla Springs Treatment Plan
Wakulla Springs is dealing high levels of nitrates. These high levels have created a problem foreign local plants and animals. There is also a cosmetic problem due to the over-growth of algae. Smith Sewage Processing Plant, Wastewater Sprayfields, Se....
More details | Watch now