Memories in a spin

             Many electronic devices use magnetism to store information, but now researchers at the National Institute for Materials Science, RIKEN and The University of Tokyo have paved the way for a new magnetic  approach that uses less power.         Magnetism is generated by the properties of electrons. These spin on an axis like the Earth, but the direction in which they spin is changeable; in a magnetic material, the spins of most electrons are aligned with each  other. In one particular type of magnetism, electron spins align in a vortex pattern, a state known...

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Planning Lessons

Planning is essential not just individual plans or short term plans but long term plans too. There are many reasons for this, including achieving aims, good timing, covering all skills, giving a variety of tasks and activities, reviewing and giving preparation for exams. Timing is an important aspect so you are not rushing either at the end of individual lessons to complete your daily lesson plan but also in the long term so that all topics have been covered adequately by the end of the term before the exam. Don’t forget to leave enough time for review. As you are planning, check that you are covering all the skills equally and not...

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The grizzly bear

The grizzly bear lives in the uplands of western North America.   Grizlies are normaily solitary active animals ,  but in coastal areas the grizzly bears congregate alongside streams, lakes, and river during the salmon spawn   .   Every   other   year,   the   females (sows) produce one to four young (most commonly two) which are small and weigh only about  500 grams (one pound) . A sow is very protective  of her offsprings and will attack if she is being threatened. Male   grizzly   bears   can   range   from weights of 180 to 680 kilograms (400 - 1,500 pounds)...

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About Eskimoes

       Eskimoes  live in a land where the winters are are long and very cold. During the short summer months,  they  live in perma- nent homes of stone or earth. However, their home are useless when the Eskimoes have to travel great distences to hunt for food. During such periods, they need temporary homes to live in the and the only available materials that the Eskimoes can use are ice and snow.       Given the absence of the usual building materials, the indigenious Eskimoes have learnt to utilize the snow and convert it into a snug, warm shelter called an iglo. In the language of  the...

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Do Women Deserve Higher Education?

The issue we are discussing is whether women need higher education or not. Some people think that there is no use for women to get higher education, for women main role is in their household and surroundings. Thus, knowing about practical household management is sufficient for women to lead their lives. In addition, higher education does not ensure women to get better life, so why bother about this? There are many examples of women who are successful in their lives although they only enjoy average education. They succeed in managing their household, educating their children and participating in community activities. On the other hand,...

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