Before the invention of the clock, people determined time by the length of the shadow. What are shadows? How are shadows formed? A shadow represents an absence of light. When an object blocks the passage of light, the other side of that object will get less light, forming a dark […]

Colors make our world bright and cheerful. Colors are everywhere: green in leaves, blue in our sky, and brown in soil. Animals use colors to attract mates (peacocks) or warn away their predators (frogs). For us, a world without colors is unimaginable. But how do we see colors?   Table

Your child belongs to a generation born into advanced technology. Compared to those of us who had to live with dial-up connections and CDs before eventually entering the era of the Netflix and Amazons of this world, they will be growing up around even faster and more advanced technologies that