If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this ...

The Canal Toys Photo Creator Video Projector Camera is better at casting than capturing, but ideal for children's parties and ...

These teacher-tested activities use free or familiar tools to help students think critically, create meaningfully, and ...

Try a straightforward three-step strategy to help students get comfortable with exploring challenging reading assignments.