{"product_id":"the-thermodynamic-drinking-bird-fat-brain-toys-78045883","title":"The Thermodynamic Drinking Bird - - Fat Brain Toys - US 8687","description":"\u003ch3 id=\"description\"\u003eProduct Description\u003c\/h3\u003e \n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-size:16px;\"\u003e\nDisplay a heat engine as your bird buddy drinks and drinks and drinks.\u003cbr\u003e\u003cbr\u003e\nSet it next to a small glass of water. Dip its head so its face is wet. Let it go and sit back as it goes on drinking forever and ever until all the water runs dry!\u003cbr\u003e\u003cbr\u003e\nWith easy to follow instructions and even a scientific explanation for how this thirsty bird works, the Thermodynamic Drinking Bird keeps spaces lively and fascinating!\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eThe Thermodynamic Drinking Bird\u003c\/b\u003e\u003cbr\u003e\n\u003cli\u003eDesktop toy that uses thermodynamic motion\n\u003c\/li\u003e\n\u003cli\u003eDrinking bird bends and stands back up\n\u003c\/li\u003e\n\u003cli\u003eEncourages a lively environment, scientific learning\n\u003c\/li\u003e\n\u003cli\u003eWith a full glass of water, it keeps drinking so long as there's water\n\u003c\/li\u003e\n\u003cli\u003eClassic design with blue hat\n\u003c\/li\u003e\n\u003cli\u003eEasy to follow instructions \n\u003c\/li\u003e\n\u003cli\u003eScientific explanation included\n\u003c\/li\u003e\n\u003cli\u003ePackage includes 1 Drinking Bird\n\u003c\/li\u003e\n\u003cli\u003eMade of glass and sturdy plastic\u003cbr\u003e\u003cbr\u003e\n\u003ckl\u003e\n\u003cb\u003eThe science behind the very thirsty bird:\u003c\/b\u003e\u003cbr\u003e\nWater evaporates from the felt on the bird's head.\u003cbr\u003e\nEvaporation lowers temperature of the glass head.\u003cbr\u003e\nThe temperature decrease causes dichloromethane vapor in the head to condense.\u003cbr\u003e\nThe lower temperature and condensation cause pressure to drop in the head.\u003cbr\u003e\nThe higher vapor pressure in the warmer base pushes liquid up the bird's neck.\u003cbr\u003e\nThe liquid rises and the bird becomes top heavy and tips over.\u003cbr\u003e\nWhen the bird tips over, the bottom end of neck tube rises above the liquid's surface.\u003cbr\u003e\nA bubble of warm vapor moves up the tube through the gap, displacing liquid.\u003cbr\u003e\nLiquid flows back to bottom bulb, pressure equalizes between top and bottom bulbs.\u003cbr\u003e\nThe weight of the liquid in bottom bulb restores the bird buddy to a vertical position.\u003cbr\u003e\nThe liquid in the bottom bulb is heated by ambient air, a temperature slightly higher than the temperature of the bird's head.\u003cbr\u003e\u003cbr\u003e\n\n\n\u003c\/kl\u003e\n\u003c\/li\u003e\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Acme","offers":[{"title":"Default Title","offer_id":48540791865566,"sku":"78045883-default_title-US8687","price":2.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/5323\/2094\/files\/001686-the-thermodynamic-drinking-bird-fat-brain-toys-01-59ed89a8.webp?v=1785569127","url":"https:\/\/fatbrainsshop.com\/products\/the-thermodynamic-drinking-bird-fat-brain-toys-78045883","provider":"Fat Brain Toys outlet shop","version":"1.0","type":"link"}