Technology Reflecting Rainbows By Tech & Learning Published 10 October 2011 Share Copy link Facebook X Linkedin Flipboard Email Share this article Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter This activity provides instructions for reflecting the visible light spectrum off the surface of a CD onto paper or a wall.Tech & Learning NewsletterTools and ideas to transform education. Sign up below.* To subscribe, you must consent to Future’s privacy policy. TOPICS News Tech & Learning MORE FROM TECH & LEARNING... 1 What is Calm and How Can I Use It To Teach? 2 I Tested The Best Free Plagiarism and AI Content-Checking Sites 3 Are You A Smart Leader Or A Dumb One? (Hint, It’s Not About Your IQ) 4 A Better Measure Than Screen Time 5 Preparing Students For Quantum Computing