Technology I sink, therefore I am By Tech & Learning published 8 February 2010 Share Share by: Copy link Facebook X Linkedin Whatsapp Pinterest Flipboard Share this article Join the conversation Follow us Add us as a preferred source on Google Make a Cartesian diver using a plastic bottle and either an eye dropper or a ballpoint pen. Don't know what a Cartesian diver is? Find out here.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...1Survey Says: The Human Touch Defines Student Success2What Is Equatio and How Can I Use It To Teach Math and STEM?3Closing the Media Literacy Gap: Why Adults Need SIFT as Much as Students4Beyond the Hype: How Human-Centered Leadership Shapes the Future of AI in Education5Beyond the Screen: How Esports is Redefining Student Wellness