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Biro Perjalanan Haji dan Umrah yang memfokuskan diri sebagai biro perjalanan yang bisa menjadi sahabat perjalanan ibadah Anda, yang sudah sangat berpengalaman dan dipercaya sejak tahun 2010, mengantarkan tamu Allah minimal 5 kali dalam sebulan ke tanah suci tanpa ada permasalahan. Paket yang tersedia sangat beragam mulai paket umroh 9 hari, 12 hari, umroh wisata muslim turki, dubai, aqso. Biaya umroh murah yang sudah menggunakan rupiah sehingga jamaah tidak perlu repot dengan nilai tukar kurs asing. paket umroh november Pandeglang

Siapa sih yang tidak mau tidur dengan nyenyak? Tentu saja “terms & conditions” orang biar bisa tidur nyenyak sangat berbeda-beda. Beberapa orang telah memerlukan kehadiran lampu tidur biar bisa nyenyak. Kalau kamu termasuk tipe yang satu ini, maka banyak lho pilihan lampu tidur murah yang lucu-lucu.

Lampu tidur murah yang berkarakter telah banyak ditemukan, tapi sulit untuk menentukan mana yang berkualitas. Pasalnya, lampu tidur adalah alat elektronik, dan keamanan telah menjadi salah satu prioritas utama juga. Jadi, jangan cuma memilih lampu tidur dengan karakter kesukaan saja, tapi juga faktor lain yang membuatnya fungsional.

Ukuran Lampu Tidur Murah

Karena fungsinya hanya sebagai penerangan secukupnya saja, maka ukuran dari lampu tidur murah yang kamu pilih pun harusnya tidak terlalu besar. Malah, lebih baik lagi jika lampu tidur ini dipilih dengan ukuran yang kecil saja, agar tidak terlalu memakan tempat juga.

Kalau kamu susah menemukannya, lampu meja juga dapat dijadikan alternative sebagai pilihan lampu tidur murah. Sekarang ini banyak juga lampu meja dengan konsep karakter lucu yang dijual.

Lampu Tidur Murah yang Tidak Silau

Intensitas cahaya juga telah menjadi salah satu faktor penentu lampu tidur murah yang akan dibeli. Karena sifatnya hanya untuk menemani tidur kamu, pilihlah lampu tidur murah dengan intensitas yang rendah saja. Kalau terlalu silau, kamu malah tidak bisa tidur nantinya.

Warna Lampu Tidur Murah

Warna dari lampu tidur murah juga harus diperhatikan. Pilihlah warna lampu kuning tidak cocok untuk lampu tidur, karena warna kuning akan dapat merangsang orang untuk tetap beraktivitas. Kalau kamu perhatikan di kamar hotel, warna lampu tidurnya adalah putih kebiruan yang cukup muram. Warna ini akan dapat membuat kamu mengantuk lebih cepat.

Tata Letak Lampu Tidur Murah

Jika kamu sudah membeli lampu tidur murah dengan karakter yang kamu sukai, kini kamu juga harus mengetahui teknik peletakan lampu tidur ini. Kalau kamu pakai lampu meja sebagai lampu tidurmu, kamu tidak perlu memindahkannya lagi. Tetap letakkan di atas meja saja, dan nyalakan pada saat kamu ingin tidur.

Satu hal penting yang harus kamu ingat kalau kamu mau meletakkan lampu tidur murah yang baru kamu beli adalah jarak dengan ranjang. Kamu tentu tidak mau muka dipapar sinar ketika tidur, dong? Walaupun sinarnya remang, tetap saja itu malah menjadi polusi cahaya buatmu. Jadi, letakkan setidaknya agak jauh agar tidak mencapai muka.



Though Robin and Joan Rolfs owned two rare talking dolls manufactured by Thomas Edison’s phonograph company in 1890, they did not dare play the wax cylinder records tucked inside each one.

The Rolfses, longtime collectors of Edison phonographs, knew that if they turned the cranks on the dolls’ backs, the steel phonograph needle might damage or destroy the grooves of the hollow, ring-shaped cylinder. And so for years, the dolls sat side by side inside a display cabinet, bearers of a message from the dawn of sound recording that nobody could hear.

In 1890, Edison’s dolls were a flop; production lasted only six weeks. Children found them difficult to operate and more scary than cuddly. The recordings inside, which featured snippets of nursery rhymes, wore out quickly.

Yet sound historians say the cylinders were the first entertainment records ever made, and the young girls hired to recite the rhymes were the world’s first recording artists.

Year after year, the Rolfses asked experts if there might be a safe way to play the recordings. Then a government laboratory developed a method to play fragile records without touching them.


The technique relies on a microscope to create images of the grooves in exquisite detail. A computer approximates — with great accuracy — the sounds that would have been created by a needle moving through those grooves.

In 2014, the technology was made available for the first time outside the laboratory.

“The fear all along is that we don’t want to damage these records. We don’t want to put a stylus on them,” said Jerry Fabris, the curator of the Thomas Edison Historical Park in West Orange, N.J. “Now we have the technology to play them safely.”

Last month, the Historical Park posted online three never-before-heard Edison doll recordings, including the two from the Rolfses’ collection. “There are probably more out there, and we’re hoping people will now get them digitized,” Mr. Fabris said.

The technology, which is known as Irene (Image, Reconstruct, Erase Noise, Etc.), was developed by the particle physicist Carl Haber and the engineer Earl Cornell at Lawrence Berkeley. Irene extracts sound from cylinder and disk records. It can also reconstruct audio from recordings so badly damaged they were deemed unplayable.

“We are now hearing sounds from history that I did not expect to hear in my lifetime,” Mr. Fabris said.

The Rolfses said they were not sure what to expect in August when they carefully packed their two Edison doll cylinders, still attached to their motors, and drove from their home in Hortonville, Wis., to the National Document Conservation Center in Andover, Mass. The center had recently acquired Irene technology.


Cylinders carry sound in a spiral groove cut by a phonograph recording needle that vibrates up and down, creating a surface made of tiny hills and valleys. In the Irene set-up, a microscope perched above the shaft takes thousands of high-resolution images of small sections of the grooves.

Stitched together, the images provide a topographic map of the cylinder’s surface, charting changes in depth as small as one five-hundredth the thickness of a human hair. Pitch, volume and timbre are all encoded in the hills and valleys and the speed at which the record is played.

At the conservation center, the preservation specialist Mason Vander Lugt attached one of the cylinders to the end of a rotating shaft. Huddled around a computer screen, the Rolfses first saw the wiggly waveform generated by Irene. Then came the digital audio. The words were at first indistinct, but as Mr. Lugt filtered out more of the noise, the rhyme became clearer.

“That was the Eureka moment,” Mr. Rolfs said.

In 1890, a girl in Edison’s laboratory had recited:

There was a little girl,

And she had a little curl


Right in the middle of her forehead.

When she was good,

She was very, very good.

But when she was bad, she was horrid.

Recently, the conservation center turned up another surprise.

In 2010, the Woody Guthrie Foundation received 18 oversize phonograph disks from an anonymous donor. No one knew if any of the dirt-stained recordings featured Guthrie, but Tiffany Colannino, then the foundation’s archivist, had stored them unplayed until she heard about Irene.

Last fall, the center extracted audio from one of the records, labeled “Jam Session 9” and emailed the digital file to Ms. Colannino.

“I was just sitting in my dining room, and the next thing I know, I’m hearing Woody,” she said. In between solo performances of “Ladies Auxiliary,” “Jesus Christ,” and “Dead or Alive,” Guthrie tells jokes, offers some back story, and makes the audience laugh. “It is quintessential Guthrie,” Ms. Colannino said.

The Rolfses’ dolls are back in the display cabinet in Wisconsin. But with audio stored on several computers, they now have a permanent voice.

Ghostly Voices From Thomas Edison’s Dolls Can Now Be Heard

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