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HOME >¼öÇÐÀ̾߱â>
¼Û±³½ÄÀÇ ÆÛÁñÀ̾߱â
¸¶¼ú°ø(È£¹ö¸¸ °ø Hoberman Sphere )
Posted at 2011-11-28 19:17:34
<DIV class=board> <P>ÇÑ ¶§ ¿ì¸®³ª¶ó¿¡ ¼öÀԵǾú´ø ¸¶¼ú°øÀ» ¼Ò°³ÇÏ°íÀÚ ÇÑ´Ù. ÃÖ±Ù¿¡ ¾Æ´Â ¼±»ý´ÔÀÌ È£¹ö¸¸ °øÀ» ¾Æ³Ä°í ¹°¾î¿Ô´Ù. °ø ¾È¿¡ »ç¶÷ÀÌ µé¾î°¡´Â °ÍÀε¥ ³ª´Â ¾Ë °Í °°´Ù°í. óÀ½¿¡´Â È£ÇÁ¸¸À¸·Î µé¾î¼ °Ë»öÀ» Çغ¸¾ÒÀ¸³ª ¾û¶×ÇÑ ¿µÈÀ̾߱⸸ ³ª¿À´õ¶ó. ´õ½ºÆ¾ È£ÇÁ¸¸ÀÌ ÁÖ¿¬À¸·Î ³ª¿Â <sphere>¶ó´Â ¿µÈ¿´´Ù. »þ·Ð½ºÅæ°ú °°ÀÌ ³ª¿Â ¿µÈ¶ó°í ÇÕ´Ï´Ù.<BR>³ªÁß¿¡ º¸´Ï ¿øÇÑ °ÍÀÌ È£¹ö¸¸ ½ºÇǾî(Hoberman Sphere) ¶ó´Â °ÍÀÌ´Ù. </P> <P><img onLoad='miniSelfResize(contents_42,this); if(this.parentNode.tagName=="A"){this.onclick = "";}' border=0 hspace=0 alt="" align=baseline src="http://www.mathlove.co.kr/board1/MBImages/i090526041_090526.jpg"></P> <P>±¸ÀÔ ´ç½Ã¿¡µµ ´Ù¸éü¿Í °ü·ÃÀÌ ÀÖÀ» °ÍÀ̶ó »ý°¢À» Çß¾ú´Âµ¥, ÃÖ±Ù¿¡ ÀڷḦ º¸´Ï Áö¿Àµ¥½Ä µ¼(geodesic dome)°ú ºñ½ÁÇÑ °ÍÀ¸·Î °øÀ̶ó±âº¸´Ù´Â ÁØÁ¤32¸éü(icosidodecahedron)¶ó´Â °ÍÀÌ´Ù. ÀÎÅͳݿ¡¼´Â À§ÀÇ ±×¸²°ú °°ÀÌ »ç¶÷ÀÌ µé¾î°¥ ¼ö ÀÖ´Â °ÍÀ» ÆǸÅÇÏ°í ÀÖÀ¸³ª, ¿ì¸®³ª¶ó¿¡ ¼öÀÔÇÏ¿´´ø °ÍÀº Áö¸§ÀÌ 14cm ÀÎ °ÍÀ» Áö¸§ÀÌ 30cmÀ¸·Î Ä¿Áö´Â °ÍÀ̾ú´Ù. ¾Æ¸¶µµ ´Ù½Ã ¼öÀÔÇÏ¸é º¸´Ù ¾ÆÀ̵éÀº ³îÀÌÀÇ Çϳª·Î Áñ°Ì°Ô ³î¸é¼ ¼öÇÐÀ» ´À³¥ ¼ö ÀÖÀ» °ÍÀÌ´Ù. ÀÌ·± °Íµµ ¼öÇÐÀûÀÎ ¹®ÈÀÇ Çϳª·Î ¾Ë¸®°í ½Í´Ù. ´ÙÀ½ »çÀÌÆ®¿¡¼´Â Hoberman Sphere¿¡ ´ëÇÑ ¼³¸íÀ» ÇØÁØ´Ù.<BR><BR> <A hideFocus style="selector-dummy: true" href="http://www.expotv.com/videos/reviews/20/187/HobermanSphereGlow/153212">http://www.expotv.com/videos/reviews/20/187/HobermanSphereGlow/153212</A></P> <P><BR>´ÙÀ½ÀÇ ±×¸²Àº È£¹ö¸¸ ½ºÇǾîÀÇ °³¹ßÀÚÀÎ Charles HobermanÀÌ ºô °ÔÀÌÃ÷¿¡°Ô ±×°ÍÀ» º¸¿©ÁÖ´Â °ÍÀÌ´Ù. </P> <P><img onLoad='miniSelfResize(contents_42,this); if(this.parentNode.tagName=="A"){this.onclick = "";}' border=0 hspace=0 alt="" align=baseline src="http://www.mathlove.co.kr/board1/MBImages/i090526467_090526-1.jpg"></P> <P>±âº» ¼³¸í <A hideFocus style="selector-dummy: true" href="http://en.wikipedia.org/wiki/Hoberman_sphere">http://en.wikipedia.org/wiki/Hoberman_sphere</A><BR>µ¿¿µ»óÀ¸·Î º¸¿©ÁÖ´Â °÷ <BR><A hideFocus style="selector-dummy: true" href="http://demonstrations.wolfram.com/HobermanSphereOctahedron/">http://demonstrations.wolfram.com/HobermanSphereOctahedron/</A><BR></P></DIV>
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