เสาตกน้ำมัน...อาถรรพ์หรือมันเป็นเช่นนั้นเอง > ศูนย์แบ่งปันความรู้ ม.น.ข.

Tuesday, June 24, 2008

เสาตกน้ำมัน...อาถรรพ์หรือมันเป็นเช่นนั้นเอง
By Joeadmin @ 9:37 AM :: 11607 Views ::

บางคนกลัวเสาตกน้ำมันชนิดไม่ยอมอยู่ในบ้านนั้นเลยทีเดียว เพราะเชื่อเป็นตุเป็นตะว่าเป็นเสาที่มีวิญญาณสิงสถิตอยู่

ก่อนจะโทษผีว่าเป็นสาเหตุ ลองมาดูเหตุผลด้านวิทยาศาสตร์กันสักหน่อย

ภาวะที่ทำให้เกิดเสาตกน้ำมันหรือไม้ตกน้ำมัน ความจริงก็ไม่ได้เกิดกับไม้ทุกชนิด จะมีไม้บางชนิดเท่านั้นที่ตกน้ำมันได้และเป็นลักษณะเด่นของไม้นั้น เช่น ไม้ในวงศ์ไม้ยาง อย่างไม้ตะเคียนทอง ไม้ตะเคียนชันตาแมว ไม้ไผ่เขียว ไม้เต็ง ไม้รัง ฯลฯ ไม้เหล่านี้จะมี ท่อน้ำยางหรือกัมดักต์ (gum duct) หรือกัมคาแนล (gum canal) ในภาษาอังกฤษ เมื่อเรานำไปใช้งานในลักษณะที่ถูกความร้อน บางครั้งน้ำยางในท่อก็จะถูกหลอมเหลวออกมา จึงดูเหมือนไม้ตกน้ำมัน ซึ่งความจริงคือการตกน้ำยางนั่นเอง

เสาตกน้ำมันอันที่จริงคือลักษณะตามธรรมชาติของเนื้อไม้บางประเภทเท่านั้นเองครับ ปล่อยผีอยู่ส่วนผีเถิด อย่าไปอ้างแกเลย

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