Intel inside - Diamond inside - DNA INSIDE
Sudah pernah tahu tentang komputer berbasis DNA ?
idenya sederhana : Kalau komputer sat ini hanya mengenal biner 1 dan 0.
Kalau DNA strand akan ada empat .... ATGC ... jadi komputasinya akan
jauh lebih cepat untuk perhitungan kompleks.
---- quote ---NATURE | VOL 421 | 23 JANUARY 2003 |
An assembly of DNA strands can process data in a similar way as an
electronic computer, and has the potential to solve far more complex
problems and store a greater amount of information, for substantially
less energy costs than do electronic microprocessors. DNA-based
computation dates from Leonard Adleman's landmark report in
1994 (ref. 27), where he used DNA to solve the 'Hamiltonian path'
problem, a variant of the 'travelling salesman' problem. The idea is
to establish whether there is a path between two cities, given an
incomplete set of available roads. Adleman used strands of DNA to
represent cities and roads, and encoded the sequences so that a
strand representing a road would connect (according to the rules of
base pairing) to any two strands representing a city. By mixing
together the strands, joining the cities connected by roads, and
weeding out any 'wrong answers', he showed that the strands
could self-assemble to solve the problem.
====
On 7/10/06, Prasiddha Hestu Narendra <[EMAIL PROTECTED]> wrote:
wah ternyata intan tidak hanya sekedar logam mulia yg digunakan utk
perhiasan kelas atas, tetapi kemampuan kekerasan dan konduktivitas panasnya
dapat dimanfaatkan utk keperluan industri.
Coba2 search di internet nemu site
http://www.advanceddiamond.com/technology.html, menarik juga penggunaan
teknologi intan ini.
Masalah panas menjadi masalah yg penting di desain komputer dan
semikonduktor, sesuai perkembangan teknologi jumlah transistor dalam
semikonduktor makin banyak, sedangkan ukuran transistor makin kecil dan
area yg digunakan semakin kecil, karena adanya tuntutan efektifitas
peralatan yg makin kecil dan simple dgn fungsi yg besar. Intan mulai
dilirik karena mempunyai kemampuan transfer thermal yg cukup bagus, utk
menghindari kerusakan pada peralatan elektronik tersebut.
he..he...coba bayangkan komputer kita di masa mendatang ada
intannya.............mungkin logo INTEL PENTIUM INSIDE bakalan diganti
DIAMOND INSIDE.......
salam,
pr
At 09:40 AM 7/7/2006 -0400, you wrote:
>Rekan Prasiddha dan pencinta batu mulia,
>
>Melanjutkan tentang alat untuk menguji intan yang prinsipnya sangat mudah,
>berdasarkan konduktivitas panas (thermal conductivity) dengan jaringan
>elektonika menggunakan "thermistor" yang bisa dibeli di toko elektronika.
>
>"Thermal conductivity" dari beberapa bahan sbb:
>
>perak : 420 (W/m K) juga mempunyai konduktivitas listrik yang paling
>tinggi diantara logam-logam
>tembaga: 390
>timah hitam: 35
>baja: 50
>
>gelas: 0.8
>beton: 0.8
>
>kayu: 0.1
>
>intan: 2000
>
>W = watt
>m = meter
>K = derajad Kelvin
>
>Jadi bayangkan kalau intan mempunyai konduktivitas termal jauh lebih
>tinggi dari logam. karena itu intan juga sering digunakan dalam jaringan
>semikonduktor.
>
>Semoga informasi ini berguna.
>
> salam,
>
>Yo Sumartojo
>
>
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