Classroom Optics and Light Studies
Enterprise Technology Solutions Vileda Professional Cleaning Cloths,Microfiber,14"x15",5/PK,RD
PVAmicro Cleaning Cloths are innovative, all-purpose and made from microfiber fabric infused with PVA. PVA treatment creates a smooth inner structure for a superior cleaning performance. Highly absorbent material leaves surfaces streak-free. Cloths rinse easily, releasing particles from the fiber for scratch-free cleaning. Only add water, no chemicals required, to clean a variety of surfaces. Durable construction lasts up to 200 wash cycles. General-purpose design provides amazing results on glass, windows, mirrors, stainless steel, chrome, plexiglass, resin coating, whiteboards, electronic screens, cellars, dark furniture and more.
Educational Innovations POLARIZING FILTER 6IN X 6IN
When two polarizing filters are placed atop one another, they can be transparent or opaque to light. By rotating one of the filters, the transmitted light passing through the filters may be turned 'on' or 'off'.
