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This experiment compares the mechanical and thermal properties of variously treated art clay. Students will be constructing beams made from art clay. They will then be sintering some of the beams and testing the differences in mechanical properties. The lesson is expected to span several days. On...

This 3-D animation is a visualization of the Miller indices (Miller indexes) showing approximately 24 various possible planes. The three intercepts are shown along with the plane notation.

BLOSSOMS, a video resource library created by the Massachusetts Institute of Technology, contains over 100 math and science lessons, all freely available to teachers as streaming video, Internet downloads, DVDs, and videotapes for use in their classrooms.  Each video lesson contains, which last...

This animation shows band populations as a function of temperature in an n-type semiconductor. Note that the Fermi-energy actual shifts position in the band gap and is not accurately depicted here. The video shows the conduction bond and valence bond separated by a band gap where the donor electrons...

This lecture from the iBioSeminars project is presented by Nico Stuurman, professor of cellular and molecular pharmacology at UC-San Francisco. Fluorescence is a physical phenomenon in which a compound absorbs light and re-emits this as light of a usually higher wavelength. Since the excitation...

This animation shows band populations as a function of temperature in a p-type extrinsic semiconductor. Note that the Fermi-energy actual shifts position in the band gap and is not accurately depicted here. The video shows the conduction bond and valence bond separated by a band gap with the...

This lecture from the iBioSeminars project is presented by J. Michael Bishop of the University of California, San Francisco. It presents a historical review of the experiments that resulted in the realization that cancer has a genetic basis. He explains that mutations can cause normal cellular genes...

This lecture from the iBioSeminars project is presented by Brian Druker of HHMI and the Oregon Health & Science University Cancer Institute. It describes the clinical features and the molecular pathogenesis of the disease for which imatinib was developed, chronic myeloid leukemia (CML). This...

This lecture from the iBioSeminars project is presented by Elizabeth Blackburn from the University of California, San Francisco Department of Biochemistry and Biophysics. It covers telomerase, a specialized ribonucleprotein reverse transcriptase, important for long-term eukaryotic cell proliferation...

This lecture from the iBioSeminars project is presented by Sangeeta Bhatia from the Massachusetts Institute of Technology and the Howard Hughes Medical Institute covers research from Bhatia's lab to develop an implantable, engineered liver. She explains the challenges of co-culturing hepatocytes and...