Risalah Liya

Selasa, 23 Juli 2019

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percobaan


10 distro linux yang sering digunakan di Indonesia

  • Ubuntu
  • Mint
  • BlankOn
  • Fedora
  • Debian
  • CentOS
  • OpenSUSE
  • ElementaryOS
  • BackTrack
  • Kali Linux

ans [ 1 ] = " c " ;

SOAL DUA

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Kamis, 27 April 2017

The story behind the space ballpoint

The Fisher's sphere pen's ballpoint also holds another story of the first human landing mission on the moon where the astronauts could barely return to earth.

حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الرَّحْمَنِ الْعَنْبَرِيُّ حَدَّثَنَا أَبُو عَلِيٍّ الْحَنَفِيُّ عُبَيْدُ اللَّهِ بْنُ عَبْدِ الْمَجِيدِ حَدَّثَنَا عِمْرَانُ الْقَطَّانُ حَدَّثَنَا قَتَادَةُ وَأَبَانُ كِلَاهُمَا عَنْ خُلَيْدٍ الْعَصَرِيِّ عَنْ أَبِي الدَّرْدَاءِ قَالَ
قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ خَمْسٌ مَنْ جَاءَ بِهِنَّ مَعَ إِيمَانٍ دَخَلَ الْجَنَّةَ مَنْ حَافَظَ عَلَى الصَّلَوَاتِ الْخَمْسِ عَلَى وُضُوئِهِنَّ وَرُكُوعِهِنَّ وَسُجُودِهِنَّ وَمَوَاقِيتِهِنَّ وَصَامَ رَمَضَانَ وَحَجَّ الْبَيْتَ إِنْ اسْتَطَاعَ إِلَيْهِ سَبِيلًا وَأَعْطَى الزَّكَاةَ طَيِّبَةً بِهَا نَفْسُهُ وَأَدَّى الْأَمَانَةَ
قَالُوا يَا أَبَا الدَّرْدَاءِ وَمَا أَدَاءُ الْأَمَانَةِ قَالَ الْغُسْلُ مِنْ الْجَنَابَةِ

وَقَضَىٰ رَبُّكَ أَلَّا تَعۡبُدُوٓاْ إِلَّآ إِيَّاهُ وَبِٱلۡوَٰلِدَيۡنِ إِحۡسَٰنًاۚ إِمَّا يَبۡلُغَنَّ عِندَكَ ٱلۡكِبَرَ أَحَدُهُمَآ أَوۡ كِلَاهُمَا فَلَا تَقُل لَّهُمَآ أُفّٖ وَلَا تَنۡهَرۡهُمَا وَقُل لَّهُمَا قَوۡلٗا كَرِيمٗا

When the task at the moon is over and the astronauts must return to earth, suddenly there is an incident. When they return to the lunar module, suddenly one of the buffs (life support) hovers and strikes the protective plastic switch of the lunar engine starter module. Not being hammered who owns it.

This incident is fatal. This protective plastic is quite fragile and unable to function as a protector. As a result the switch is broken and the rocket engine does not want to live.

Problems like this are already taken into account and should be anticipated. Between astronauts and cotrol room in Houston there is communication to resolve the issue.

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Actually the problem is easy, the machine can be turned on by using a screwdriver. But the problem astronauts are not equipped with keys to suppress the weight. Then from the lightning experiments, the Fisher's pen space is capable of conducting electricity with electric power, electric voltage, electric current strength and extra precision electrical resistance and all have been met by the ballpoint pen. Thanks to the ballpoint pen that was used to connect the electrical flow on the damaged switch, the astronauts could return safely to earth.

The story was revealed by John McLeish NASA publicist who was quarantined with Edwin Aldrin and Neil Armstrong after they both survived to land on earth. The story is not exposed because everyone at that time including NASA was unnerved by the landing of mankind on the moon.

The rise of a ballpoint pen

Two Englishmen, Henry Martin and Frederick Miles supported this idea. They then took part in the manufacture of this new stationery and were sold to the British Air Force requiring a leak-proof and overflowing stationery for use on aircraft used in World War II.

At the same time, in the United States, Milton Reynolds from Chicago purchased the new stationery. He then refined it and sold it to American soldiers. But the pen is not nearly as perfect as a ballpoint pen at the moment.

Franz Szech, a California resident, tried to find the perfect ink and managed to make the ink from his home kitchen. The ink was much more durable and durable in his pen, but unfortunately the ink gradually became dry when exposed to air.

After World War II was over, people gathered in the Gimbels storefront storefront in New York. In the storefront is provided a large water tank surrounded by visitors. This water tank is used to demonstrate the stationery of a pen used underwater. The pen was promoted using Szech's ink.



Before using a special ballpoint pen, the astronauts use ordinary carbon pencils because ordinary ballpoint pens will not be used due to the vacuum pressure in space that will suck up the ink.




The space-specific ballpoint pen designed by Paul C. Fisher, in July 1966. The pen test included underwater conditions, weightless space and vacuous pressure. The pen was first tested by Dr. Robert Gilruth, Director of NASA, in Houston, Texas. In 1967, the ballpoint pen passed the test and was chosen for use by Apollo astronauts

What Is a Ballpoint?

Ballpoint pens (English: ballpoint pens) are stationary with the tip using a small spinning ball to control the expenditure of the viscous ink stored in a cylindrical column. The tip of the ballpoint pen is a small ball of brass, steel, or tungsten carbide of varying diameter, generally 0.7 to 1.2 mm. [1] Large diameter of the ball effect on the thickness of writing on paper. Ink dries in immediately after contact with paper. Pinpoints are different from pens, low-cost and maintenance-free ballpoint pens.

The mention of ballpoint as a pen commonly familiar to most Indonesian ears is a misnomer. The correct mention of this tool is ballpoint (ballpoint).

Initially, stationery that uses ink is a pen and ink that is used separately. The pens used were originally made of goose feathers as commonly used in medieval Europe, the rods used in the Middle East or even brushes used in China and Japan. The disadvantage is its use is often troublesome the wearer because the ink spilled or even spilled on paper.

The ballpoint was coined by Hungarian journalist László Biró in 1938. The bureau noticed that the ink used in newspaper printing dried up quickly and left no stains on the paper. Other difficulties when using a pen to correct manuscripts written on thin paper such as widened ink, spilled or torn paper for a fairly sharp pen socket.

The tip of a ballpoint pen
Together with his brother George, a chemist, he developed a new pen tip in the form of a sphere that could spin freely on a hole. As it spins, the ball will take ink from a cartridge, ink wetting a small ball that flows capillally and with the help of gravity. And then rolled to attach it to the paper. Because of that small ball then the new pen is called ball point pen or commonly known by the name of a ballpoint pen.

The design was later patented in Argentina on June 10, 1943 and sold under the Birome brand, which still survives to this day

mengapaa kita harus bangga dengan kesenangan dunia yang hanya bersifat sementara ini???