The University of Minnesota Biocatalysis/Biodegradation Database (UM/BBD) contains "microbial biocatalytic reactions and biodegradation pathways primarily for xenobiotic, chemical compounds." A new microbial...

This java applet illustrates electrostatic fields and potentials and static current distributions in two dimensions. It offers a broad range of interactive simulations, from simple single and double charges to highly...

This course, created by the Massachusetts Institute of Technology, introduces the fundamentals of machine tool and computer tool use. Students work with a variety of machine tools including the bandsaw, milling machine,...

This course, taught by Prof. George Barbastathis of the Massachusetts Institute of Technology, concerns the theory and practice of optical methods in engineering and system design, with an emphasis on diffraction,...

This National Oceanic and Atmospheric Administration classroom activity explores bioluminescence. This PDF addresses: Which deep-sea organisms are capable of bioluminescence, and how does this ability benefit these...