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Mysterious Thing • Conspiracy • Controversy • UFO & Alien • Archeology • Science • Universe • • • • • • • • • • • •

Depopulation Is On The Way! Kontrol Untuk Penurunan Populasi Dunia Sedang Berjalan!

depopulation agenda header

 

Mereka berencana mengurangi jumlah penduduk dunia yang kini berjumlah 7 miliar, menjadi hanya 500 juta saja dengan agenda bernama “World Depopulation”!

Depopulasi, apa itu depopulasi? Depopulasi adalah: kondisi harus menurunkan jumlah penduduk (atau tidak ada penghuni sama sekali) arti dalam bahasa Inggris adalah: the condition of having reduced numbers of inhabitants (or no inhabitants at all)

Jadi menurut konspirasi ini, berarti: Pengurangan jumlah penduduk dunia. Konspirasi teori yang satu ini adalah yang paling menghebohkan, namun juga yang paling tak mudah untuk dipercaya. Ya, karena akal pikiran kita tetap berfikir, bahwa semua ini takkan pernah terjadi.

Pengontrolan kembali jumlah populasi dunia (World Depopulation) dengan cara mengurangi jumlah penduduk oleh kelompok “elite” dunia “the Bilderberg”ini memang sudah, sedang dan telah berjalan.

Apakah anda tidak merasakannya? Jika tidak, memang itulah yang mereka harapkan. Mereka berencana mengurangi jumlah penduduk…

View original post 2,362 more words

Matematika

Berikut ini soal-soal terbaru yang dapat di download dari koleksi soal yang saya sediakan. Soal ada yang untuk tingkat SD, SMP dan SMA. Silakan langsung menuju ke link berikut.
1. Soal Kelas 5 SD, Pengukuran Waktu, Sudut, Jarak dan Kecepatan

2. 30 Soal Matematika SMA Kelas XI: Trigonometri

3. 30 Soal Statistika Kelas XI Dilengkapi dengan Pembahasan

Masih mau lagi ? Download di halaman sebaliknya…

4. 35 Soal Peluang Untuk SMA Kelas XI dan Pembahasannya

5. Soal dan Pembahasan Aljabar untuk SMP kelas 7

6. 40 Soal Latihan Matematika dan Pembahasan untuk Kelas 6 SD

Semoga bermnafaat, jangan lupa untuk selalu memberikan komentar …

Sumber : soalmatematika.com

Bahasa Inggris

Fill in the right preposition (at, in, on, after, before, during, within, by, on)
Example: The family are gathering _____ Christmas.
1. I would like to know if you could make it ___ tomorrow.
2. He should come ___ a few minutes.
3. He wasn’t angry ___ all.
4. She promised to call back ___ an hour.
5. The President will be in evidence ___ the Senate Committee.
6. We will know everything ___ he comes.
7. This contract will be confirmed ___ December.
8. Has anybody asked ___ me while I was away?
9. There were two intervals ___ the performance.
10. ___ this occasion I would like to express my thanks.
11. You must check the petrol ___ regular intervals.
12. If she doesn’t get angry ___ five minutes everything will be all right.
13. There’s an excellent restaurant ___ the end of the street.
14. ___ the end everything was fine.
15. It didn’t happen yesterday but the day ___ yesterday.
16. I am ___ loss, I don’t know what to do.
17. The vocabulary seems to be easy ___ the beginning.
18. You can get a person to do it for you. ___ all, you are a man with many contacts.
19. We wanted to hide ___ a big storm. He didn’t want to get wet.
20. ___ Christmas day our family eat carp.
(Sumber : http://www.nonstopenglish.com/exercise.asp?exid=916)

Tectonic Plates

Tectonic Plates

 
   
 
Oceanic Crust
 
 
 
•Is located under the oceans.
•It’s made of basalt.
•It’s between 5 and 10 km thick.
•It’s dense so it sinks into the mantle where oceanic and continental crusts meet.
 
   
  Continental Crust  
 
Makes the continents.
•It’s between 25 and 100 km thick.
•Not very dense.
•It’s lighter than oceanic crust.
 
 
 
  Constructive plate boundary  
 
At a constructive plate boundary, two plates move apart. As the two plates move apart, magma rises up to fill the gap, constructing new crust.
This causes volcanoes. However, since the magma can escape easily at the surface the volcano does not erupt with much force.
Earthquakes are also found at constructive boundaries, caused by the friction of the plates as they move over the mantle.
You get lots of eruptions at these margins – from volcanoes, like the Azores, and from cracks in the ground called fissures, like in Iceland.
The crust on either side of the margin is often faulted. This means it has big cracks in it.
An example of a constructive boundary is the Mid-Atlantic Ridge.
 
   
 
Destructive plate boundary
 
 
destructive plate boundary is found where a continental plate meets an oceanic plate.
The oceanic plate descends (subducts) under the continental plate because it is denser.
The friction between the two plates causes earthquakes.
The land on the edge of the continental crust gets squashed up to make fold mountains, like the Andes.
 As the plate descends it starts to melt due to the friction caused by the movement between the plates. Because it takes some sea water with it, it’s less dense than the mantle around it. This means it rises.
This melted plate is now hot, liquid rock (magma). The magma rises through the gaps in the continental plate. If it reaches the surface, the liquid rock forms a volcano.
The trapped sea water turns into steam and this makes the volcanoes very explosive. There isn’t much lava but there is a lot of ash, steam and gas.
 
   
 
Conservative plate boundary
 
 
Conservative plate boundaries exist where two plates do not directly collide but slide past each other along a fault (weakness).
No volcanoes are found along these plate boundaries, but earthquakes do occur.
An example of such a boundary is the San Andreas Fault in California.
 
   
 
Collision plate boundary
 
 
Collision boundaries occur when two plates of similar densities move together (i.e. a continental plate and a continental plate). Because they are the same density, neither of them can sink. This causes the material between them to buckle and rise up, forming fold mountains.
The Himalayas are an example of a chain of fold mountains. They have been formed by the African plate colliding into the Eurasian plate.
Because of the massive pressure caused by two plates crashing into each other, there are strong earthquakes at these margins.
 
 

sumber: http://canarygeog.canaryzoo.com/Plate%20Tectonics%20Plate%20Tectonics.htm

Pembangkit Listrik Tenaga Air Arus Rendah

Arus pergerakan air sungai dan laut yang pelan bisa dilaporkan bisa menjadi sumber energi alternatif baru yang terjangkau dan dapat dihandalkan. Seorang insinyur dari Universitas Michigan telah membuat sebuah mesin yang bekerja selayaknya seekor ikan yang mampu mengubah getaran destruktif dari aliran fluida menjadi tenaga listrik.

Mesin tersebut dinamakan VIVACE (Vortex Induced Vibrations for Aquatic Clean Energy).

VIVACE merupakan alat yang bisa memproduksi energi dari arus air di seluruh dunia karena alat tersebut bekerja pada arus air yang mengalir dengan kecepatan kurang dari 2 knot (2 mil per jam). Hampir semua arus air di bumi berkecepatan kurang dari 3 knot. Turbin dan kincir air membutuhkan kecepatan air minimal 5-6 knot untuk bisa beroperasi dengan efisien.

 

(http://www.vortexhydroenergy.com/)

 

Mesin VIVACE ini tidak tergantung pada gelombang, pasang-surut air, turbin ataupun bendungan. Dia adalah suatu sistem hidrokinetik yang sangat unik, yang mengandalkan “getaran-getaran yang diinduksi pusaran (vortex induced vibrations)”.

Getaran-getaran yang diinduksi pusaran ini merupakan getaran yang dihasilkan apabila sebuah benda berbentuk bulat atau melengkung dimasukkan dalam fluida yang bergerak, yang bisa berupa air atupun udara. Adanya benda tersebut akan menimbulkan pusaran dengan kecepatan sebesar aliran fluida tersebut. Akhirnya akan terbentuk arus edy, atau pusaran, pada bagian belakang benda tersebut. Pusaran ini ternyata menggerakkan benda, mendorong dan menarik ke arah kiri-kanan atau atas-bawah, tegak lurus dengan arah arus.

Vibrasi serupa telah merobohkan jembatan Tacoma Narrows di Washington pada tahun 1940 dan tower pendingin pada pembangkit listrik Ferrybridge di England pada tahun 1965. Pada air, vibrasi seperti ini sering merusak dermaga, kilang minyak dan bangunan-bangunan pesisir.

“Selama 25 tahun terakhir, para insinyur – termasuk saya – telah mencoba untuk mengurangi vibrasi yang diinduksi pusaran ini. Namun, sekarang di Michigan kami melakukan hal sebaliknya. Kami memacu vibrasi dan menuai kekuatan destruktifnya yang kuat,” kata pengembang VIVACE Michael Bernitsas, seorang profesor di Departemen U-M Teknik Kelautan dan Arsitektur Angkatan Laut.

Ikan telah lama diketahui memiliki kemampuan untuk memanfaatkan pusaran air yang menginduksi vibrasi ini dengan baik.

“VIVACE ini meniru teknologi ikan tersebut,” kata Bernitsas. “Ikan meliukkan badannya untuk meluncur di antara pusaran-pusaran yang berada didepan badannya. Kekuatan otot mereka sendiri tidak akan mampu melontarkan badan mereka di air dengan kecepatan tersebut oleh karenanya mereka berenang pada alur ikan yang lain.”

Meskipun mesin Bernitsas ini tidak mirip ikan, dia mengatakan suatu saat nanti akan menyerupainya. Prototip mesinnya saat ini di lab-nya hanya berupa satu silinder yang terhubung dengan pegas. Silinder tersebut berposisi horisontal melintang aliran air dalam sebuah tangki seukuran trailer. Air dalam tangki tersebut mengalir dengan kecepatan 1,5 knot.

Cara kerja VIVACE adalah sebagai berikut :

Adanya silinder dalam aliran air akan menyebabkan pusaran pada bagian atas dan bawah silinder. Pusaran-pusaran tersebut akan mendorong dan menarik silinder pasif tersebut ke atas dan ke bawah pada pegasnya, yang akan menimbulkan energi mekanik. Kemudian, mesin mengubah energi mekanik tersebut menjadi listrik.

Cukup beberapa silinder saja sudah mencukupi untuk menyuplai kapal yang sedang berhenti, atau mercusuar, kata Bernitsas. Silinder-silinder ini dapat disusun berderet. Dia juga mengatakan mesinnya bisa mencukupi untuk 100.000 rumah.

Oleh karena osilasi pada VIVACE ini lambat, diteorikan bahwa sistem tersebut tidak akan membahayakan kehidupan air, sebagaimana bendungan dan turbin mampu merusak.

Bernitsas mengatakan energi VIVACE akan bernilai 5,5 sen per kilowatt jam. Energi angin bernilai 6,9 sen per kilowatt jam, 4,6 sen untuk tenaga nuklir dan 16-48 sen untuk tenaga surya (tergantung tempat).

Bernitsas mengatakan, bila kita mampu mendulang 0,1% energi samudera saja, kiata akan mampu mencukupi 15 milyar orang.

Akhir-akhir ini banyak ilmuwan telah melakukan bermacam penelitian yang akhirnya menemukan sebuah alat yang mampu menciptakan tenaga listrik dari sungai Detroit. Mereka telah bekerja selama 18 bulan untuk membuat pilot projeknya.

 

sumber: http://www.fisikaasyik.com/home02/content/view/130/39/

Quick Start

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Nonstopenglish.com is a FREE English as a Second language (ESL) and English as a Foreign Language (EFL) activity website. You can practise English language with our online interactive exercises. There are many English grammar tests. Our English vocabulary tests can help you to build your vocabulary and improve your understanding of the English language. It is an online interactive language course. If you register you can receive free motivating email exercises and you can see which exercises you have done and how well. There will be a Free TOEFL test practice. All exercises are self-checker. Easy to advanced. Check your knowledge and study everyday English language with self evaluation tests. Drill English grammar items, use English in a funny way. Improve your English grammar, vocabulary knowledge and skills. Unique personal page with activity history to see which tests you have done how many times and how successfully. New English grammar tests are added every week. Keys to self-check your scores and to see what alternative answers, if any, are possible.

sumber: http://www.nonstopenglish.com/quickstart/