How is heat transferred? This time let us t…

How is heat transferred? Some says “The cold pierced me to the bone“ but does it convey coldness? On the other hand, we feel the sunlight g

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Is the space really a vacuum? This time let…

Is it true that the space is said to be a vacuum? The answer is both yes and no. Strictly speaking, space is not a vacuum because there

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Do we really know what 'vacuum' is?

We often hear the word “vacuum” and it is used quite a bit in our daily lives. For example, The vacuum packing for long term food pr

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