Yes, the Go Direct® Weather System (GDX-WTHR) has both wind speed and direction. If you enjoy DIY projects you can also modify the Rotary Motion Sensor (RMV-BTD) or Go Direct® Rotary Motion Sensor (GDX-RMS). Cut some flat stock to create a w...
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NIST has a good online reference: http://physics.nist.gov/PhysRefData/ASD/lines_form.html enter the element, followed by a I, to get the atomic spectrum. Note the intensity column; typically only the most intense lines are visible using a spec...
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1. Verify that you have a working internet connection. 2. If using Internet Explorer, verify that you are using IE9 or newer. IE8 and earlier will not support exporting to Google Maps. 3. At this time Google Maps export only supports UTM and decima...
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It can be a challenge to spin the generator fast enough to light an LED with home-made turbine blades. A red LED requires about 1.75 V in order to emit light. We found that the generator shaft has to be spinning at around 700 rpm in order to produce ...
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