http://www.brighthub.com/search/searchresults.aspx?u=1766&o=DateDescending&a=275Posts by Sean Fearsen-UShttp://www.brighthub.com/education/k-12/articles/8895.aspxFri, 26 Sep 2008 17:22:31 GMTb133e95a-c263-4882-8f2a-b24547eff78e:8895ceraunnosOne of the most useful and important benefits of technology is its ability to aid us in constructing mental models of the world around us&#59; here are some simple ways of making this process even more successful. The same incremental approach also works in setting up technology efforts, also! Building mental models A critical step in learning ...http://www.brighthub.com/education/k-12/articles/17429.aspxSun, 30 Nov 2008 07:19:44 GMTb133e95a-c263-4882-8f2a-b24547eff78e:17429ceraunnosRobotics education can be used to teach a number of scientific and engineering concepts to youth, but this requires a versatile yet accessible robotics kit- LEGO has achieved this goal with their Mindstorms NXT robotics kit and software. Introduction Studying robotics in the classroom requires an affordable, capable, accessible robotics solution, a...http://www.brighthub.com/environment/science-environmental/articles/13708.aspxSat, 01 Nov 2008 04:37:54 GMTb133e95a-c263-4882-8f2a-b24547eff78e:13708ceraunnosFrom time to time, mass extinctions have dramatically altered the landscape, seascape, and bioscape of planet Earth. Indications are that a mass extinction event is occurring again, with half of the Earth's species at risk UC-Santa Barbara researchers are using science to decide what must be saved. The evidence is going from persuasive to overw...http://www.brighthub.com/science/space/articles/55206.aspxSat, 07 Nov 2009 15:52:12 GMTb133e95a-c263-4882-8f2a-b24547eff78e:55206ceraunnosVideo and pictures of spacewalking make it look effortless, but getting ready for a spacewalk is an elaborate process that takes quite a bit of time. Find out just how involved the process is by reading on! Getting ready for an extra-vehicular activity is no piece of cake, and neither is the spacewalk that follows. Thanks to engineers who have ...http://www.brighthub.com/environment/science-environmental/articles/27982.aspxSun, 01 Mar 2009 00:44:22 GMTb133e95a-c263-4882-8f2a-b24547eff78e:27982ceraunnosAll coffee is not created equal&#59; shade grown coffee has a number of distinct advantages over its full sun cousin, especially in terms of promoting biodiversity. Introduction While many people can tell you their favorite brand of coffee or the type of bean used to make it, the number able to tell you just what it takes to make coffee are far few...http://www.brighthub.com/education/k-12/articles/17434.aspxSun, 30 Nov 2008 07:34:36 GMTb133e95a-c263-4882-8f2a-b24547eff78e:17434ceraunnosLesson Two of this segment on LEGO robotics with the Mindstorms NXT kit focuses on construction and programming of a more advanced design using the skills the acquired in the first session. It's Construction Time! If the teams haven’t completed their robots from the first session, then they should be allowed to do so before continuing on to...http://www.brighthub.com/education/k-12/articles/17435.aspxSun, 30 Nov 2008 07:30:49 GMTb133e95a-c263-4882-8f2a-b24547eff78e:17435ceraunnosThis introductory session with the LEGO Mindstorms NXT robotics kit introduces the basic components while constructing the simplest robot in the instruction manual, the TriBot. Meet the NXT In the first session, the discussion focuses on the basics of the LEGO Mindstorms NXT kit: the NXT “brick”, or brain; the motors, analogous to our muscles; and ...http://www.brighthub.com/environment/science-environmental/articles/13699.aspxSat, 01 Nov 2008 02:53:26 GMTb133e95a-c263-4882-8f2a-b24547eff78e:13699ceraunnosPolyculture and permaculture are not new- humans have been employing the beneficial interactions between plant species to sustainably improve agricultural yields for thousands of years&#59; increasing environmental awareness and sensitivity has heightened the research and study of these techniques. What is Permaculture & How is it Better for th...http://www.brighthub.com/environment/science-environmental/articles/12309.aspxWed, 22 Oct 2008 01:26:13 GMTb133e95a-c263-4882-8f2a-b24547eff78e:12309ceraunnosWater is one of our most critical resources and is used from everything from cooking to agriculture to industrial uses&#59; as such, water is also subjected to exposure to man-made and natural pollutants. Water Usage Unfortunately, on top of the water requirements to sustain life, we use our water for waste disposal, recreation, transportation, far...http://www.brighthub.com/environment/science-environmental/articles/11287.aspxTue, 14 Oct 2008 15:46:07 GMTb133e95a-c263-4882-8f2a-b24547eff78e:11287ceraunnosTidal power is being billed as a safe, clean, environmentally friendly alternative to fossil fuels, but there are different kinds of tidal power. Find out how each one interacts with the natural world and what the benefits and drawbacks are. Limitations While tidal power is far more predictable than solar or wind , its periodic nature can still be ...