Wilhelm Conrad Röntgen Sang Penemu Sinar-X

Unknown | 5:26 AM | 39 komentar


Wilhelm Conrad Röntgen
Hallo semua para pembaca http://indahnya-membaca.blogspot.com/. Sekarang saya akan membagi pengetahuan dengan salah satu penemu penting di dunia lho. Mau tau siapa? dia adalah Wilhelm Conrad Röntgen. Pada tau kan siapa dy? yeah teapat sekali..dia adalah seorang penemu Sinar X (Rontgen). Pada penarankan gimana kisah unik sang penemu satu ini. Ayo kita simak sejarah nya sob ,, :D
Wilhelm Conrad Röntgen sang penemu sinar X dilahirkan tahun 1845 di kota Lennep, Jerman. Di masa kecilnya sudah terlihat bahwa ia adalah seorang anak yang pandai dan tekun. Meskipun demikian, dia seorang anak yang bersahaja.  Dia peroleh gelar doktor tahun 1869 dari Universitas Zurich. Sembilan belas tahun setelah mendapatkan gelarnya itu, Röntgen bekerja sebagai pegawai universitas, dan lambat laun peroleh reputasi seorang ilmuwan yang jempolan. Tahun 1888 dia diangkat jadi mahaguru bidang fisika dan Direktur Lembaga Fisika Universitas Wurburg. Di situlah, tahun 1895, Röntgen membuat penemuan yang membuat namanya kesohor hingga ke ujung penjuru dunia.

Wilhelm Conrad Röntgen
Tanggal 8 November 1895 Röntgen melakukan percobaan dengan "sinar cathode." Sinar cathode terdiri dari arus electron. Arus diprodusir dengan menggunakan voltase tinggi antara elektrode yang ditempatkan pada masing-masing ujung tabung gelas yang udaranya hampir dikosongkan seluruhnya. Sinar cathode sendiri tidak khusus merembes dan sudah distop oleh beberapa sentimeter udara. Pada peristiwa ini Röntgen menutup tabung sinar cathode dengan kertas hitam tebal, sehingga walaupun sinar listrik dinyalakan, tidak akan ada cahaya yang bisa terlihat dari tabung. Tetapi, saat Röntgen menyalakan arus listrik di dalam tabung sinar cathode, dia terperanjat melihat bahttp://adf.ly/PduuIhwa cahaya mulai memijar pada layar yang terletak dekat bangku seperti distimulir oleh sinar lampu. Lalu dia memadamkan tabung dan layar (yang terbungkus oleh barium platino cyanide) cahaya hingga berhenti.


Wilhelm Conrad Röntgen
Karena tabung sinar cathode sepenuhnya tertutup, Röntgen sadar bahwa suatu bentuk radiasi yang tidak kelihatan datang dari tabung ketika cahaya listrik dinyalakan. Karena ini merupakan hal yang misterius, dia sebut radiasi yang tampak itu "sinar X." "X" merupakan lambang matematika untuk menyimbolkan sesuatu yang belum diketahui.

Pensaran oleh penemuannya yang kebetulan itu, Röntgen menyisihkan penyelidikan-penyelidikan lain dan memusatkan perhatian terhadap penelaahan hal-ihwal yang terkandung dalam "sinar X." Sesudah beberapa minggu kerja keras, dia menemukan bukti-bukti lain seperti ini: (1) sinar X dapat membuat sinar sebagai benda kimia selain "barium platinocyanide." (2) sinar X dapat menerobos melalui  benda yang tak tembus oleh cahaya biasa. Röntgen menemukan bahwa sinar X dapat menembus langsung dagingnya tetapi berhenti pada tulangnya. Dengan jalan meletakkan tangannya antara tabung sinar cathode dan layar yang bersinar, Röntgen dapat melihat di layar bayangan dari tulang tangannya. (3) sinar X berjalan menurut garis lurus; tidak seperti partikel bermuatan listrik, sinar X tidak terbelokkan oleh bidang magnit.

Sinar X memberi sumbangan besar dan kemajuan dunia kedokteran

Bulan Desember 1895 Röntgen menulis penelitian pertamanya mengenai sinar X. Laporannya dalam waktu singkat menggugah perhatian dan kegemparan. Dalam tempo beberapa bulan, ratusan ilmuwan melakukan penyelidikan sinar X, dan dalam tempo setahun sekitar 1000 kertas kerja diterbitkan tentang masalah itu! WOW, amazing bukan? Salah seorang ilmuwan yang langsung bersandar dari hasil penemuan Rontgen adalah Antoine Henri Becquerel. Antoine Henri Becquerel, maksud utamanya adalah menyelidiki sinar X, tapi tanpa disengaja ia menemukan fenomena penting tentang radioaktivitas.

Antoine Henri Becquerel
Secara umum, sinar X bekerja saat energi elektron yang tinggi mengenai sasaran. Sinar X itu sendiri tidak mengandung elektron, tetapi gelombang elektron magnetik. Oleh karena itu pada dasarnya sinar X serupa dengan radiasi yang dapat terlihat mata (yaitu gelombang cahaya), bedanya panjang gelombang sinar X jauh lebih pendek.

Penggunaan sinar X yang paling sering dilakukan di bidang pengobatan dan diagnosa gigi. Penggunaan lain dilakukan di bidang radioterapi, di mana sinar X digunakan untuk menghancurkan tumor ganas atau mencegah pertumbuhannya.

Sinar X juga banyak digunakan pada keperluan industri. Misalnya, untuk mengukur ketebalan suatu benda atau mencari kerusakan yang tersembunyi. Sinar X juga berguna di bidang penyelidikan ilmiah, mulai dari biologi hingga astronomi. Khususnya, sinar X menyuguhkan para ilmuwan sejumlah besar informasi yang berkaitan dengan atom dan struktur molekul.

Röntgen tidak memiliki seorang anak, oleh karena itu dia dan istrinya mengangkat anak seorang gadis. Tahun 1901  Röntgen  menerima Hadiah Nobel untuk bidang fisika, yang untuk pertama kalinya diberikan untuk bidang itu. 
Dia tutup usia di Munich, Jerman tahun 1923.


Nah,, Begitulah kisah dari Wilhelm Conrad Röntgen sang penemu sinar X. Gimana sobat? Serukan cerita,,pastinya donk hehehee
Sekarang kita tahu bagaimanakah sang Wilhelm Conrad Röntgen menemukan Sinar-X.

Tunggu kisah Penemu - Penemu lainnya yang tak kalah seru nya hanya di http://indahnya-membaca.blogspot.com













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