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Pitch, a highly viscous material derived from tar which behaves as a very slow flowing fluid at room temperature. The viscosity of pitch is about 230 billion times that of water. At a first glance, pitch looks like brittle solid which can be shattered by hammer but as a matter of fact, it is a very thick fluid even at room temperature. In 1927, Professor Thomas Parnell of university of Queensland in Australia, started an experiment to illustrate the liquidity of pitch. He took a sample of heated pitch and poured in to a sealed funnel and allowed it to settle for 3 years. Then in 1930, the seal from funnel was taken off and pitch was allowed to flow. A transparent bell jar covers the funnel and beaker. The first drop fell after 8 years in December 1938. And till today, only 9 drops have fallen. The last and 9th drop fell in April 2014. The next drop is expected to fall sometime in next decade. Initially, the experiment was not conducted under any special...

                                                                           Image Source- MaxPixel If you love to stare at night sky, star and planet then this is going to be your golden month. The rare celestial phenomenon like longest lunar eclipse of the century and mars closest approach to the earth are going to happen in July 2018. Lunar Eclipse The total lunar eclipse will take place on the night of July 27, 2018. It is expected to be the longest lunar eclipse since last 100 years. The moon will be covered by earth's dark shadow, known as 'The Umbra'. The moon will appear in reddish color, better known as 'Blood Moon'. Timing of total lunar eclipse in India As per reports, whole event will start from 23:44 on July 27 and will end at 04:58 of July 28. The penumbral eclipse wil...

A cup of hot tea or coffee which kickoff the day for most of the people across the globe. It is common known beverages. China and India are the lead producers of tea where as Brazil and Vietnam are the key producers of coffee. In general, we take tea or coffee because it helps to reduce sleepness and make brain sharp so that we can work effectively. But ever wonder how they act as CNS stimulants and how it reduce drowsiness or sleepness ? If yes then here is how it works. Constituents in Tea and Coffee Generally, tea or coffee contains methylxanthines (a group of alkaloid) like caffeine, theophylline and theobromine. Nuts of cocoa plants also contains caffeine, present in cola flavored drinks. A cup of hot coffee contain about 100-200 mg of caffeine while a cup of hot tea contain approx 25-50 mg caffeine. Caffeine and Theophylline They both have very similar kind of CNS stimulant effect. Humans can experience reduction in fatigue, leading to sleeplessness, i...

Heart, the essential organ which pumps blood to each and every organs of the body. But sometimes it may not function properly due to many kind of diseases and disorders. Here is the list of terms used for heart problems. ➤ Related to Conduction • Arrythmia - Irregular heartbeat  • Fibrillation - Irregular and disorganized heart rhythm • Flutter - Regular but very rapid heart rhythm • Bradycardia - Slow heart rate (below 60 beats per min) • Tachycardia- Rapid heart rate (over 100 beats per min) • Bundle Branch Block - Blockage of impulse travelling through bundle branch • Palpitation - Abnormality of heartbeat • Premature Ventricular Contraction - Abnormal heartbeat in ventricles ➤ Vascular • Aneurysm - An abnormal  blood-filled swelling of an artery or vein which results in weakening that particular area of blood vessel • Atherosclerosis - Hardening of Arteries • Coarctation of Aorta - Severe narrowing of the aorta...

The attempt to explore the Red Planet started a long ago since 1960. It is definitely hard to sent a small thing from Earth to far about 225 million km to Mars. But after many upssets we manage to reach the Red Planet. Let's take a look on the list of missions to the Red Planet. 1) Marsnik  1 - Launched on October 10, 1960 - USSR Mars probe - Failed to reach Earth's orbit 2) Marsnik 2 - Launched on October 14, 1960 - USSR Mars probe - Failed to reach Earth's orbit 3) Sputnik 22 - Launched on October 24, 1962 - USSR Mars Flyby - Failed to reach Earth's orbit 4) Mars 1 - Launched on November 1, 1962 - USSR Mars Flyby - Communication failed on the way 5) Sputnik 24 - Launched on November 5,  1962 - USSR Mars Lander - Failed to leave Earth's orbit 6) Mariner 3 - Launched on November 5, 1964 - USA Mars Flyby - Solar panels failed to open preventing flyby 7) Mariner 4 - Launched on November 28, 1964 - USA Mars Flyby - Marine...

Around 16 people have died brain damaging Nipah virus in India, according to media reports, while many other victims are being treated at hospitals. Sudden appearance of such lethal virus have shocked the nation as well as neighboring country like Nepal. The Nipah virus was first identified during an outbreak of disease that took place in Kampung Sungai Nipah, Malaysia in 1998. After that in Bangladesh in 2004, the human became infected consumption of date palm sap. By looking at the mortality rate it can be said that the Nipah virus is more dangerous than the Ebola virus as the mortality rate of the Nipah virus is about 70 per cent while Ebola virus have 50 per cent. On the level of 1 to 4, the Nipah virus is considered as a BioSafety Level 4 (BSL-4) pathogen, which means the virus is highly dangerous and infection caused by these type of virus are frequently fatal. Also the BSL-4 lab are extremely isolated and located in a separate building. Also the World Health Organ...

Albert Einstein, a very famous scientist of 20th century who is known for it's 'Theory of Relativity'. Here are some amazing and least known facts about him. 1) Einstein never wore socks. He thought wearing socks was a pain. 2) Einstein did not learn to speak until age of 3. 3) Einstein was a keen smoker, he loved smoking. 4) He loved violin, sailing and bird watching, and hated haircuts and socks. 5)  He used to charge people for his autograph and gave that money to charity. 6)  During his later years of his life, he was working on a theory that would explain the entire universe and all the laws of physics. 7) During his final hours of his death, he was still working on his unified theory. 8) Einstein's eyeballs are preserved in a safe box in New York city. 9) TIME magazine named him as a "Person of the Century". 10) Atomic clocks which are used in GPS, proves that the Einstein's Theory of Relativity is correct. The hig...