Why do we stir things to dissolve them?

<p><a href="http://chemforyourlife.com/formulate">Try Formulate!</a> Shampoo and Conditioner custom formulated for your exact hair type, your specific needs, and your scent preference! Created using... chemistry, of course! When you sign up for Formulate, you get a <a href="http://chemforyourlife.com/formulate">discount</a> for being a Chemistry For Your Life listener AND you help support the podcast with every order!</p><p>We are big fans of Formulate, try it today and your hair will thank you.<br><a href="http://chemforyourlife.com/formulate">www.chemforyourlife.com/formulate</a></p><p>- - - - - - - - - - - </p><br><p><strong>#173<br></strong><br>What is freeze-drying? How can something be both frozen and dried? How does it differ from just freezing, or just drying? And is it just for astronauts? Let's get into it!</p><p>We want to give a  special thank you to Bri McAllister for illustrating molecules for this weeks episode! Please go check out Bri’s art, follow and support her at <a href="http://entr0pic.artstation.com/">entr0pic.artstation.com</a> and @McAllisterBri on twitter!</p><p><strong>References from this Episode</strong></p><ol><li><a href="https://www.acs.org/middleschoolchemistry/lessonplans/chapter5/lesson6.html#:~:text=The%20added%20energy%20in%20the%2Csucrose%20molecules%20to%20vibrate%20faster.">https://www.acs.org/middleschoolchemistry/lessonplans/chapter5/lesson6.html#:~:text=The%20added%20energy%20in%20the%2Csucrose%20molecules%20to%20vibrate%20faster.</a></li></ol><p><br><strong>Thanks to our monthly supporters</strong> </p><ul> <li>Rachel Reina</li> <li>Letila</li> <li>Katrina Barnum-Huckins</li> <li>Suzanne Phillips</li> <li>Nelly Silva</li> <li>Venus Rebholz</li> <li>Lyn Stubblefield</li> <li>Jacob Taber</li> <li>Brian Kimball</li> <li>shadow</li> <li>Emerson Woodhall</li> <li>Kristina Gotfredsen</li> <li>Timothy Parker</li> <li>Steven Boyles</li> <li>Chris Skupien</li> <li>Chelsea B</li> <li>Bri McAllister</li> <li>Avishai Barnoy</li> <li>Hu