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Redes Inalámbricas en los Países en Desarrollo (Segunda edición en español)
The book is intended to be a comprehensive resource for technologists in the developing world, providing the information that they need to build real networks. By bringing this knowledge to the outer edges of the Internet, we hope to help jumpstart the construction of vital network infrastructure. Besides the topics included in the first edition, covering from basic radio physics and network design to equipment and troubleshooting, the second edition includes a new chapter dedicated to Voice ove
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Types of Antennae
This illustrated guide is designed to help students recognize and learn the different types of antennae found on arthropods. The single Web page, which can be easily printed for use at field sites or in the lab, shows plumose (featherlike) pectinate (comblike) serrate (sawlike) moniliform (beadlike) filiform (threadlike) aristrate (with bristles) elbowed (with a bend) clubbed (the segments towards the end are larger).
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Parts of an Insect (Grasshopper)
This illustrated guide to a grasshopper is designed to help students recognize and learn the body parts of an insect. The single Web page, which can be easily printed for use at field sites or in the lab, also includes a short description for the following labeled parts: head thorax antenna abdomen spiracles coxa trochanter femur tibia tarsus genitalia wings.
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Leaf Type
This illustrated guide to leaf types is designed to help students understand the differences between compound and simple leaves. This single Web page can be easily printed for use at field sites. Along with an explanation of both types, the guide includes a short description of these related terms: petiole, leaf blade, leaflet, and axillary buds.
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Parts of a Spider: Dorsal View of a Male Spider
This illustrated guide (dorsal view) to a male spider is designed to help students recognize and learn its common and unique body parts. The single Web page, which can be easily printed for use at field sites or in the lab, also includes a short description for the following labeled parts: chelicera pedipalp anterior eye row posterior eye row cephalothorax (or prosoma) pedicel abdomen (or opisthosoma) spinnerets coxa trochanter femur patella tibia metatarsus tarsus.
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Some Clues to Describing and Understanding Organisms
This online guide helps students focus their biodiversity research in the classroom, field, and lab. It includes general and specific questions to consider, designed to help students see the clues they might otherwise miss and give them the vocabulary to discuss their findings. General questions include "What might this clue indicate?" and "Does the organism always occur in the same 'zone'? "Plant-specific questions range from "If it's woody, is there one main trunk (trees), or are there several
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Finding Fossils
This OLogy activity serves as a kid-friendly how-to manual about searching for fossils. In Not Just Any Rock Will Do, kids learn that fossils "hide out" in sedimentary rock and see examples of shale and sandstone. Do's and Don'ts for Fossil Hunters gives kids practical tips and a list of fossil-hunting supplies. In Fossils You May Find, there are photos of common invertebrate, vertebrate, and plant fossils to guide kids. Paleontology Clubs and Web Sites lists resources to help kids determine whe
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Feed the Birds
This OLogy activity introduces kids to the concept of biodiversity by helping them discover the diversity of their local bird population. To begin, students create a simple bird feeder from a milk/juice carton or a plastic soda bottle. They then fill the feeder with black-oil sunflower seeds, popular with a range of birds. In addition, they are given a list of additional foods to experiment with, such as millet, raisins, and breakfast cereal. Students track the birds that visit their feeder in f
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National Center for Science Education
The National Center for Science Education (NCSE) is a nonprofit organization working to defend the teaching of evolution against sectarian attack. The group is committed to defending the teaching of evolution in public schools. They hope to prevent the teaching of "scientific creationism" in classrooms. The site contains detailed descriptions of past and ongoing court cases, education outreach projects, and ongoing debate over the validity of evolution, plus numerous essays on the controversy. T
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Assessing the Biological Weapons and Bioterrorism Threat
BIOSECURITY FOR A NEW ERA Lecture Series Biological weapons (BW) have been a significant national security preoccupation for nearly 15 years. The events of September 11 and the anthrax attacks that followed have magnified these concerns by orders of magnitude while shifting the context almost entirely to "bioterrorism." Over the past four years, the federal government has spent nearly $30 billion to counter the anticipated threat. Strangely, these responses took place in the absence of virtuall
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Biomimicry: Innovation Inspired by Nature
Janine Benyus Author of "Biomimicry: Innovation Inspired by Nature" - Biomimics related to Energy and other industries - Opportunities in the rapidly growing Biomimics field - Green Chemistry as part of Biomimicry Co-Sponsored by: - Clean Tech Venture Network - Greenbiz - The Helios Project at Lawrence Berkeley National Laboratories - The Berkeley Energy & Resource Collaborative (BERC) - The Horace M. Albright Lectureship in Conservation
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Conversations with Berkeley Faculty: Manuel Castells (5/9/01)
Conversations with History Presents Faculty Research at the University of California, Berkeley A Conversation with Manuel Castells Professor of Sociology and Professor of City and Regional Planning "Identity and Change in the Network Society" This interview took place on May 9, 2001. Complete transcript is available. A social theorist, Professor Castells has won the C. Wright Mills Award, and he has received the Robert and Helen Lynd Award from the American Sociological Association for his li
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Lunch Poems: Robert Hass
After hosting Lunch Poems for eight years, Robert Hass has finally been prevailed upon to read his own poems in the series. Former Poet Laureate of the U.S., Hass is a UC Berkeley professor who has made important contributions in poetry, criticism, and translation. His books of poetry are Sun Under Wood, Human Wishes, Praise, and Field Guide, the latter winner of the Yale Younger Poets Award. His critical essays are assembled in Twentieth Century Pleasures, and the poets he has translated includ
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Marine Microbial Ecology
This image-rich website from the Australian Antarctic Division's Biology program describes its research in marine microbial ecology. It includes an introduction of microbial ecology and microbial processes, followed by information about the research project. Field sampling, microscopy, flow cytometry, pigment analysis, flourometry, HPLC, culturing, feeding experiments, and the research staff are each discussed using vivid imagery. Links are provided to related websites.
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Water Quality For Freshwater Organisms
This website features a field activity that demonstrates the effect of water temperature on the solubility of dissolved oxygen and how it relates to the gill beat rate of fish. The activity uses the Winkler method to measure dissolved oxygen.
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Resources for looking at art
A guide to some of the best websites, activities, and print resources for building visual literacy through the study of art.
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Mentoring matters
How mentors can serve as role models, helpers, and colleagues.
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Water-Resources Reconnaissance of the Southeastern Part of St. Paul Island, Pribilof Islands, Alaska
This 12-page PDF was prepared by the USGS to investigate sources of water and groundwater quality on St. Paul Island in order to design a well field without inducing saline water. Tables, diagrams and maps accompany the text.
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Magnets and Electromagnets
Explore the interactions between a compass and bar magnet. Discover how you can use a battery and wire to make a magnet! Can you make it a stronger magnet? Can you make the magnetic field reverse?
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Quantum Bound States
Explore the properties of quantum "particles" bound in potential wells. See how the wave functions and probability densities that describe them evolve (or don't) over time. Teacher's guide available.
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