Tapi semua orang jadi punya jam pasir, Pak...8-) LL
-----Original Message----- From: RM Iman Argakoesoemah [mailto:iman.argakoesoe...@medcoenergi.com] Sent: Friday, January 22, 2010 7:02 AM To: iagi-net@iagi.or.id Subject: RE: [iagi-net-l] Fwd: JAM PASIR NGRAYONG Kalau semua orang bikin, nanti pasir di Lab habis dong ........ ?? Thanks. Iman -----Original Message----- From: Paulus Tangke Allo [mailto:paulu...@gmail.com] Sent: Thursday, January 21, 2010 3:49 PM To: iagi-net Subject: [iagi-net-l] Fwd: JAM PASIR NGRAYONG ---------- Forwarded message ---------- From: Andri SS Mubandi <andri...@gmail.com> Menanggapi rengekan anak saya yang masih duduk dibangku SD untuk dibuatkan mainan jam pasir, memaksa saya untuk cari ide memanfaatkan limbah botol plastik kemasan disekitar dapur! Botol plastik bekas ternyata ketika dicari malah tidak ketemu, padahal biasanya "pabalatak" disekitar dapur atau meja. Ketika didapatkan, besar dan bentuk botolpun berbeda-beda bentuknya...namun untungnya kepalanya sama..dan bertutup ..he..he ini yang penting! Lalu atap tutup saling dirapatkan dengan power glue..tunggu sampai rekat dan kering..kemudian dilubangi bagian atapnya hingga tembus dengan diameter 3-5mm. Botol seterusnya diisi pasir kuarsa halus. Pasir ini saya minta dari Lab Sandbox Prodi Geologi. Pasirnya berasal dari Formasi Ngrayong Jawa Tengah! Ternyata cukup unik mengamati jam pasir berbeda bejana, selain eksperiman waktu "menggelontor"nya dan pengendapan pasir, bisa nampak juga bagaimana kelakuan aliran pasir di bidang miring dan berliku-liku. Selain kita bisa amati juga "mini subsidence" atau amblesan dari berbagai sudut jatuhnya pasir..Nah sementara ini durasi jam pasirnya sekitar 5 menit, lumayanlah buat disiplin waktu baca koran dan "facebook" an..! Pada attachment adalah foto JAM PASIR NGRAYONG Mungkin bisa dibikin durasinya 100 harian, lumayan buat pantau kabinet ESBEYE.. Salam Andri S Keep it on screen - think before you print This e-mail and any information contained are confidential and legally privileged. 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Untuk dipresentasikan di PIT ke-39 IAGI, Senggigi, Lombok NTB, 4-6 Oktober 2010 Deadline penyerahan makalah - 15 Februari 2010 ----------------------------------------------------------------------------- To unsubscribe, send email to: iagi-net-unsubscribe[at]iagi.or.id To subscribe, send email to: iagi-net-subscribe[at]iagi.or.id Visit IAGI Website: http://iagi.or.id Pembayaran iuran anggota ditujukan ke: Bank Mandiri Cab. Wisma Alia Jakarta No. Rek: 123 0085005314 Atas nama: Ikatan Ahli Geologi Indonesia (IAGI) Bank BCA KCP. Manara Mulia No. Rekening: 255-1088580 A/n: Shinta Damayanti IAGI-net Archive 1: http://www.mail-archive.com/iagi-net%40iagi.or.id/ IAGI-net Archive 2: http://groups.yahoo.com/group/iagi --------------------------------------------------------------------- DISCLAIMER: IAGI disclaims all warranties with regard to information posted on its mailing lists, whether posted by IAGI or others. 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