Chemistry
Videos
Following
are several videos relating to chemistry.
These videos range from 216kb to 1.5mb, and require Quicktime to play. Special thanks to JCE Online, who provided the
videos.
Videos:
One sentence on how Pu was a means
of extending the boundary of the periodic table.
A
Brief Note about Plutonium by Glenn Seaborg (20 sec)
Glenn Seaborg talks about the
discoveries of Actinium and Plutonium and the reasons for keeping the discovery
of Pu a secret.
Plutonium
and Why It Was Kept a Secret (2 min)
Glenn Seaborg discusses the initial
failure to chemically identify elements 95 and 96 (Americium and Curium) and
later describes his prediction of the actinide series.
The
Prediction of the Actinide Series by Glenn Seaborg (2 min, 19 sec)
Bob Silva from the Lawrence
Radiation Laboratory in Berkeley describes Glenn Seaborg's prediction of an
actinide series with elements 102 and 103 (Nobelium and Lawrencium) discovered
by this laboratory.
Introduction
from Bob Silva (1 min, 26 sec)
The HILAC is shown and described.
Experimental parameters for bombardment are considered.
The
HILAC or Heavy-Ion Layer Accelerator (2 min, 16 sec)
The presentation includes
discussion of the discovery of Lawrencium with the heavy-ion layer accelerator
or HILAC and the reaction used to produce it.
Discovery
of Lawrencium (59 sec)
Bob Silva demonstrates and
describes the experimental preparation for the collection of Lr atoms.
How
To Collect Lawrencium Atoms (1 min, 8 sec)
A faster version of the above movie
is provided for humorous effect.
How
To Collect Lawrencium Atoms-Really Fast (24 sec)
Nuclear chemist Darleane Hoffman
speaks on the confirmation of the original discovery of element 106.
The
Discovery of Element 106-Finally (38 sec)
A brief narration by Albert Ghiorso
of the suggested name for element 106.
The
Naming of Element 106 (19 sec)
Glenn Seaborg talks about the
limitations of discovering heavy elements, and a model of nuclear fission is
shown.
The
Limits of Discovering the Heavy Elements (18 sec)
Narration by Albert Ghiorso. A
chromatographic separation of Californium-249 is shown, with its subsequent
placement on a platinum foil for bombardment.
What
Good is a Heavy Element? (55 sec)
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Last Update: 28 June 1999