Blog Post Header Image How to transfer airtime on Etisalat (9Mobile)?

How to transfer airtime on Etisalat (9Mobile)?

To begin, you also need to find out the PIN code for your SIM card. Typically, the mobile operator default PIN is 0000. Perhaps, to avoid unauthorized third-party access to your data, you want to …

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Blog Post Header Image THE MICHELSON-MORLEY EXPERIMENT

THE MICHELSON-MORLEY EXPERIMENT

In a wave phenomenon that involves a medium, the rest frame of the medium is a unique frame of reference. Observers in any frame can carry out experiments to determine their velocity relative to the …

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Blog Post Header Image THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 3

THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 3

So far our imagination carried us back to a temperature of 5,000 million million degrees, and we have had to deal with the strong, weak, and electromagnetic interactions. What about the one other grand class …

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Blog Post Header Image THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 2

THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 2

These rather intuitive ideas have recently been put on a much firmer mathematical foundation. In 1973 it was shown by three young theorists, Hugh David Politzer of Harvard and David Gross and Frank Wilczek of …

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Blog Post Header Image THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 1

THE FIRST ONE-HUNDREDTH SECOND BY STEVEN WEINBERG 1

Naturally, it is tempting to try to peek behind this veil. The temptation is particularly strong for theorists like myself, whose work has been much more in elementary particle physics than in astrophysics. Many of …

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Blog Post Header Image THE COSMIC MICROWAVE RADIATION BACKGROUND 2

THE COSMIC MICROWAVE RADIATION BACKGROUND 2

The one piece of numerical data that was available to Penzias and Wilson was the intensity of the radio noise they had observed. In describing this intensity they used a language that is common among …

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Blog Post Header Image THE COSMIC MICROWAVE RADIATION BACKGROUND 1

THE COSMIC MICROWAVE RADIATION BACKGROUND 1

Now we come to a different kind of astronomy, to a story that could not have been told a decade ago. We will be dealing not with observations of light emitted in the last few …

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Blog Post Header Image THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE)

THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE)

THE PRINCIPLE OF RELATIVITY (IN THE RESTRICTED SENSE) BY ALBERT EINSTEIN

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Blog Post Header Image TSAKANIN KWAKWALWA DA ZUCIYA 6

TSAKANIN KWAKWALWA DA ZUCIYA 6

Dakta Gary Schwartz da Linda sun gano cewa, yadda kwakwalwa take da jijiyoyin sadarwa tsakaninta da sauran sasannin jiki, haka zuciya take dasu, kuma tasirin zuciya wajen sarrafa jiki ya shallake na kwakwalwa nesa ba …

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Blog Post Header Image GALILEAN RELATIVITY 2

GALILEAN RELATIVITY 2

The principle of relativity was first enunciated by Galileo in 1632. Galileo's argument is clear and graphically put. Salviatus: Shut yourself up with some friend in the main cabin below decks on some large ship …

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Blog Post Header Image The Postulates of Relativity and Their Implications 3

The Postulates of Relativity and Their Implications 3

The most profound conceptual implication of special relativity is the change it has brought about in our perception of the nature of time. Relativity requires us to reject the notion of absolute time, which was …

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Blog Post Header Image TSAKANIN KWAKWALWA DA ZUCIYA 5

TSAKANIN KWAKWALWA DA ZUCIYA 5

Suka ce wuri na farko da Allah ya ambaci zuciya yana alakanta ta da tunina shi ne cikin Suratul A'araaf, aya ta 179, inda yake cewa: "Kuma lalle ne hakika, mun halitta, saboda Jahannama, masu …

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Hope is the bedrock of this nation. The belief that our destiny will not be written for us, but by us, by all those men and women who are not content to settle for the world as it is, who have the courage to remake the world as it should be.
---Barack Obama

Hope is the bedrock of this nation. The belief that our destiny will not be written for us, but by us, by all those men and women who are not content to settle for the world as it is, who have the courage to remake the world as it should be.
---Barack Obama