1. INKJET PRINTERS

2. Inkjet printers use tiny dots of ink Our eyes and brain mix the dots together

3. Really, really, really tiny! Inkjets make picoliter-sized drops. Two trillion picoliters in one pop bottle.

4. Really, really, really tiny! One drop of blood has one billion blood cells. One picoliter of blood has only 100 blood cells.

5. Tiny drops of liquid act weird Surface tension and other forces don’t matter in a big pipe, but have a huge effect in a tiny tube.

6. Inkjet technology Bubble jet: heat forces drops out 6,000 drops a second (http://www.canon.com/technology/canon_tech/explanation/images/fine/2006_03.jpg)

7. This project was supported by the National Science Foundation under Grant No. ESI-0532536. Any opinions, findings, and conclusions or recommendations are those of the author and do not necessarily reflect the views of the Foundation.