46 results found for water

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00:10:00

Solar power technology and recent research

by Brian Gold
Solar power technology and recent research
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 14 years ago | 1733 views
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Solar power technology and recent research

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00:04:00

Seawater Battery

by Jonathan Hare
Seawater Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 3178 views
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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.

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00:59:00

Electron Waves Unveil The Microcosmos

by Akira Tonomura
Electron Waves Unveil The Microcosmos
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1748 views
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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....

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01:00:00

Nuclear Power Plant Safety – What’s the Problem?

by John Collier
Nuclear Power Plant Safety – What’s the Problem?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1710 views
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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....

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00:28:00

Extremely Fast Chemical Reactions

by Manfred Eigen
Extremely Fast Chemical Reactions
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2334 views
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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....

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00:29:00

Voyage to the Bottom of the Deep

by Various Presenters
Voyage to the Bottom of the Deep
for All ages,
Discussions | All ages | 15 years ago | 1551 views
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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....

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00:14:00

Plague-carrying crayfish

by Jeama Stanton
Plague-carrying crayfish
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1876 views
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Jeama Stanton studies plague-carrying crayfish in UK waterways

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00:06:00

Nature Solves Environmental Pollution

by Hamid Pouran
Nature Solves Environmental Pollution
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 2339 views
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How bacteria can be used to solve a variety of environmental problems.

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00:07:00

Synthesis of Stable, Water Soluble Gold Colloids

by Layal L Rouhana
Synthesis of Stable, Water Soluble Gold Colloids
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 2483 views
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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....

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00:10:00

Wakulla Springs Treatment Plan

by Lionel Skinner
Wakulla Springs Treatment Plan
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 16 years ago | 1427 views
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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....

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