{"product_id":"pasco-light-source-basic-optics-30594","title":"PASCO: Light Source, Basic Optics","description":"\u003cp\u003eThe Basic Optics Light Source uses a single 10 Watt quartz-halogen bulb to provide bright, easy-to-see illumination. By turning the box to its different sides, it becomes:    Crossed-Arrow Object with Metric Scale. Ideal for showing images, focal point and magnification.  Bright Point Source. The very small filament of the halogen bulb provides an excellent point source for experimenting with shadows or the Inverse Square Law.  Primary-Colors Source. The red, green and blue filters provide 3 rays of light for color mixing.  1,3 or 5 Ray Source. Just rotate the knob on front of the light source to vary the number of rays produced.\u003c\/p\u003e","brand":"Nova Scotia School Book Bureau","offers":[{"title":"Default Title","offer_id":43664576938044,"sku":null,"price":275.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/nssbb.ednet.ns.ca\/products\/pasco-light-source-basic-optics-30594","provider":"Nova Scotia School Book Bureau","version":"1.0","type":"link"}