{"product_id":"그래서-이런-전통-과학이-생겼대요","title":"So That's How Traditional Science Came to Be","description":"Description\n\nChapter 1: Traditional Science in Food, Clothing, and Shelter\nSalt made by boiling seawater - Jayeom (boiled salt)…12\nFood salted and fermented - Jeotgal (salted seafood)…14\nFood made by coagulating protein - Tofu…16\nIngredient flavored by cultivating microorganisms - Meju (fermented soybean block)…18\nFermentation starter added to brew good alcohol - Nuruk…20\nKimchi aged using underground temperature - Gimjang (kimchi-making)…22\nNatural preservative that emits phytoncides - Pine needles…24\nFood rich in vitamins and minerals - Dried greens…26\nPot that raises pressure to cook fluffy rice - Cast iron cauldron (Gamasot)…28\nSteamer that cooks rice cakes with steam - Siru (steamer)…30\nPottery that breathes through pores - Onggi (earthenware)…32\nBowl that cools slowly due to poor heat conduction - Ttukbaegi (earthenware pot)…34\nBowl made by mixing copper and tin - Yugi (brassware)…36\nTool that presses bean juice using friction - Millstone (Maetdol)…38\nMold that increases rice cake density for chewiness - Tteoksal (rice cake mold)…40\nHouse using wood's contraction and expansion - Gulpi house (bark-roofed house)…42\nDevice that heats a house by conducting heat - Ondol (underfloor heating)…44\nFacility that filters impurities with charcoal and gravel - Well…46\nStorehouse that blocks heat transfer to keep ice - Seokbinggo (ice storage)…48\nDyeing method that prevents skin disease and creates beautiful color - Indigo dyeing…50\nClothing that traps air to increase warmth - Nubiot (quilted clothing)…52\nAlkaline solution that cleans clothes - Lye water (Jaenmul)…54\nBeating clothes to smooth wrinkles - Dadeumijil (fabric beating)…56\nRaincoat made from water-repellent plants - Dorongi (straw raincoat)…58\nOvershoes that lower pressure to prevent sinking in snow - Seolpi (snow shoes)…60\n\nChapter 2: Traditional Science in Tools and Weapons\nTools that start fire with friction heat - Nulbibi and Hwalbibi (fire drills)…64\nDevice that filters dirt from water - Multchaengi (water filter)…66\nNatural fertilizer that enriches soil - Compost (Georeum)…68\nTool that changes motion direction to thresh grain - Dorigae (flail)…70\nFiltering device using differences in grain size - Sieve…72\nTool that separates chaff by weight difference - Winnowing basket (Ki)…74\nTool that grinds grain using water's potential energy - Water mill (Mullebanga)…76\nTool that removes husks using friction - Maetong (husking tool)…78\nTool that reduces friction to move heavy loads - Ox sled…80\nTool that uses center of gravity to carry loads - Jige (A-frame carrier)…82\nTool using buoyancy for gathering - Taewak (diving float)…84\nTool that quickly spins thread - Spinning wheel (Mullae)…86\nTraditional glue with no toxic components - Natural adhesive…88\nNatural lacquer that prevents wood from rotting - Ott (lacquer)…90\nPaint made by mixing soot and glue - Ink stick (Meok)…92\nVessel that lights using capillary action - Oil lamp (Deungjan)…94\nSummer items with good heat conduction - Jukbuin (bamboo wife) and bamboo mat…96\nCommunication facility that reports enemy invasions - Beacon tower (Bongsudae)…98\nEssential material for gunpowder explosion - Saltpeter (Yeomcho)…100\nJoseon's rocket using the principle of action and reaction - Singijeon…102\nBow made from highly elastic material - Gakgung (horn bow)…104\nShip that increased buoyancy to float on water - Turtle Ship (Geobukseon)…106\nMachine using pulleys to move stones - Geojunggi (crane)…108\nFolk game using air resistance - Jegichagi (shuttlecock kicking)…110\nFolk game using rotational force - Top spinning (Paengichigi)…112\nFolk game using the lever principle - Neolttwigi (seesaw jumping)…114\nKite with a wind hole that withstands strong winds - Bangpaeyeon (shield kite)…116\nFolk game using pendulum motion - Swinging (Geunetwigi)…118\n\nChapter 3: Traditional Science in Cultural Heritage\nTomb using the lever principle and inclined plane principle - Dolmen (Goindol)…122\nCultural heritage created by Goguryeo craftsmanship - Goguryeo tomb murals…124\nBell sound that grows and fades through the beat phenomenon - King Seongdeok Divine Bell…126\nTemple designed to prevent condensation - Seokguram Grotto…128\nBuilding constructed to store the Tripitaka - Haeinsa Janggyeong Panjeon…130\nBanquet site where cups floated on water - Poseokjeong…132\nPorcelain with a subtle jade-blue color - Goryeo Celadon…134\nInstrument that creates resonance - Geomungo…136\nTraditional paper with excellent preservation - Hanji…138\nWorld's first metal-type printed book - Jikji Simche Yojeol…140\nScript with scientific and systematic structure - Hunminjeongeum…142\nJoseon's encyclopedia of fish - Jasaneobo…144\nWorld's first disease prevention method - Donguibogam…146\nMedicine that uses different remedies based on body type - Sasang Constitutional Medicine…148\n\nChapter 4: Traditional Science That Studied Sky and Earth\nSeasons divided according to the sun's position - The 24 Solar Terms…152\nThe oldest observatory in the East - Cheomseongdae…154\nThe Goguryeo people's view of the universe...","brand":"IBOOKPARK","offers":[{"title":"Default Title","offer_id":49624284987620,"sku":"01302024994","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/9788\/6692\/files\/9788962226034.jpg?v=1786426393","url":"https:\/\/ibookpark.com\/en\/products\/%ea%b7%b8%eb%9e%98%ec%84%9c-%ec%9d%b4%eb%9f%b0-%ec%a0%84%ed%86%b5-%ea%b3%bc%ed%95%99%ec%9d%b4-%ec%83%9d%ea%b2%bc%eb%8c%80%ec%9a%94","provider":"IBOOKPARK","version":"1.0","type":"link"}