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Martin Burrett

Temperature Scales - 72 views

    A clever tool where users make and name their own temperature scale and compare it to Celsius.
Jac Londe

Chilly temperatures help cancers grow - 26 views

  • Chilly temperatures help cancers grow
  • Repasky found that mice living in a relatively cold environment (around 22°C) had cancers that grew more quickly and aggressively than mice living at a nice thermally comfortable temperature (around 30°C). A cold environment boosted the growth of several different types of cancer, including breast, skin, colon, and pancreas.
Jac Londe

Physicists uncover novel phase of matter - 22 views

    A team of physicists led by Caltech's David Hsieh has discovered an unusual form of matter-not a conventional metal, insulator, or magnet, for example, but something entirely different. This phase, characterized by an unusual ordering of electrons, offers possibilities for new electronic device functionalities and could hold the solution to a long-standing mystery in condensed matter physics having to do with high-temperature superconductivity-the ability for some materials to conduct electricity without resistance, even at "high" temperatures approaching -100 degrees Celsius.

How building design changed after 9/11 - 6 views

  • When exposed to the high temperatures created by burning airplane fuel, steel columns in both towers lost strength, putting too much load on other structural supports.
    • dawnprovost
      Proof for claim the the building's structure could not actually maintain its integrity.
  • When exposed to the high temperatures created by burning airplane fuel, steel columns in both towers lost strength, putting too much load on other structural supports.
  • Center towers lost strength rapidly when the fire reached 400 degrees Fahrenheit. Concrete heated to that temperature, though, doesn’t undergo significant physical or chemical changes; it maintains most of its mechanical properties. In other words, concrete is virtually fireproof.
    • dawnprovost
      Supports other article that explains the difference between temperature and heat.
    MLA Citation: In-text Citation: Summary: Evaluation: Reflection:
Martin Burrett

Air Pressure Simulation - 70 views

    A simple but useful simulation of how air pressure in effected by space and temperature.
Gerald Carey

MapMaker Interactive - National Geographic Education - 103 views

    Very nice interactive illustrating things like sea surface temperatures, tectonic plates, human populations - for any part of the world (I'm from Australia and it even had us covered!)
S Berrend

Climate Commons - 54 views

    Climate Commons is a map-based interactive platform that contains layers of news and information on climate change in the US. It is designed to provide academics, policymakers, journalists, and the general public with the latest data and stories on the causes and impacts of, and responses to climate change across the country. The map combines the most recently available data on climate change indicators, such as temperature, precipitation, and emissions, with the latest, geo-tagged stories on climate change in the United States.
rmollap Rafa

¿Por qué las enzimas aisladas de termófilos tienen interés biotecnológico? | Biotecnología - 0 views

    Molt bon article per a comprendre les proteïnes que suportene elevades temperatures
Gregory Louie

Students tap into technology - Pittsburgh Tribune-Review - 1 views

  • use their laptops to read "Don Quixote" and Dante's "Divine Comedy" on the Internet
  • Technology is the wave of the future
  • a computer program
  • ...7 more annotations...
  • "Most jobs require computers," noted Brittnee Stephen, 16, as she assembled a slideshow on her HP Mini laptop. "It's good that we're learning it now."
    • Ed Webb
      The technology is still very visible, if students are talking in terms of 'computers' rather than the skills involved. We don't talk about 'paper' but writing, critical reading etc. Yet here the platform itself is emphasized. Early days, I guess.
  • has just begun incorporating technology
    • Ed Webb
      Uh, no. They have been using 'technology' forever, in the form of, say, books.
  • students seem far more interested in learning via interactive technology than they had been with a chalkboard and an overhead projector
    • Ed Webb
      Well, the problem here is that some of that can be ascribed to novelty. Once every class uses 'interactive technology' (yuk) then how much difference will there be? The tools are great. All tools can be useful. But focus on the pedagogy, people!
    • Scott Merrick
      I'm for focusing on understanding. I love the word "pedagogy" because most lay people don't really know what it entails--theory (which can be anything institutional or community deems effective or correct), practice (which, as we know, can be summed up with the phrase "mileage will vary"), and some third thing which if I could come up with it I'd have the magic 3 elements in an effective argument. I think effective tools used effectively by effective teachers (there! 3 uses of one adjective!) will remain effective as long as they are used to promote understanding. No argument here, Ed, just sayin'...
    • Ed Webb
      Perhaps the magic third thing would be 'attitude' or 'state of mind'? Alternatively, perhaps another of those non-transparent terms, 'praxis'. The point I was trying to make, of course, was that it ain't what you use, it's the way that you use it.
  • "I think the kids that have turned school off because it's boring to them will come here and see something familiar,"
    • Ed Webb
      Boring and familiar seem to me to be closely related, not opposites. I suspect that often when students say their learning environment is 'boring' they mean 'challenging'.
  • Educational technology does not come cheaply
    • Ed Webb
      The cost of books is astronomical!
  • "Learning is changing,"
    • Ed Webb
      Was it EVER the case that we could "just deliver a lecture and expect all the kids to get it"?
    • Gregory Louie
      Computer technology in my classroom has revolutionized my teaching of biology. Instead of static images on a printed page, or talk and chalk, my students can manipulate 3-D images of DNA, RNA and proteins. These have even been embedded in a research-based learning progression that leads the students to a robust understanding of the foundational elements of molecular literacy. 1. Atoms and molecules are constantly in motion. (A visualization is not possible on a 2-3 printed page.) 2. All atoms and molecules have a 3-D structure that determines how they interact with other particles. 3. Charges and other intermolecular forces play a role in atomic and molecular interactions. My students can see these for themselves, change the number of particles in a box, or the distribution of charge on a large particle or the temperature of the box and other thought experiments which they can follow in real-time. There is no way, I could do that without the computer!
Holly Barlaam

Beano Inquiry Lab - 74 views

    Beano lab--inquiry style. covers concepts of enzymes and digestion.
Martin Burrett

Succeeding With Science - Heat on the Move - 103 views

    A great science site with animations about heat and insulation.
Elliott Cady

Risk of extreme climate change accelerating | Global Climate Change Information - 29 views

  • “Recent observations confirm that, given high rates of observed emissions, the worst-case IPCC scenario trajectories (or even worse) are being realized. For many key parameters, the climate system is already moving beyond the patterns of natural variability within which our society and economy have developed and thrived.
  • (
  • worst case scenario of the IPCC-2007 (AR4) is defined as “scenario A1F1″
  • ...1 more annotation...
  • A rise of mean global temperatures above 4 or 5 degrees Celsius would shift the atmosphere to pre-glacial/interglacial conditions, which dominated the Earth from about 34 million years ago (end-Eocene) (Zachos et al., 2008)
evag pardo

Spotzi - 156 views

    A wonderful site for seeing information layered over a map. Includes temperature data, habitats, volcanoes location and natural resources.
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