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Want to build a pool heater for under $100 that Really Works? On a sunny day, we add 12 degrees to the water going through this DIY solar pool heating system. Watch this #video!

This is a great starter site for using Twitter in Education...For those of us that are new to social networking in schools, this is a nice easy start:)

Luisa Mayer, Ph.D., an internationally known specialist in visual fields and functional vision testing, demonstrates the role of the visual field in daily life and the challenges faced when there is a field loss. Luisa describes strategies for assessing field loss in individuals who are visually impaired with additional disabilities and the associated developmental implications.

Scientists Just Discovered A New State Of Water!

These sites offer help specifically for teachers in their first or second years. 100 different websites!

Outdoor 100% Original H9 H8R H3R Ultra HD 4k Video 170 Degrees Wide Angle Sports Camera

Nikon COOLPIX AW100 16 MP CMOS Waterproof Digital Camera with GPS and Full HD 1080p Video (Camouflage) (OLD MODEL). Water-proof, Shock-proof, Freeze-proof: ruggedly built for reliable and comfortable outdoor operation. Water-proof to a depth of 33 feet. Shockproof if dropped from 5 ft, operating temperature down to 14 degrees F. 16 effective megapixel CMOS sensor ideal for low light shooting and fast operation. GPS and e-Compass functions. Points of Interest (locations, landmarks, etc.)…

SIDARDOE 3D VR Headset, Virtual Reality Goggles with Andr...