Breath Taking Technologies!
Feel warm or cold? As you wish. Have you ever thought of a device or a technology which will make your body cool in summer and your……
Feel warm or cold? As you wish. Have you ever thought of a device or a technology which will make your body cool in summer and your……
In the oral examination: Teacher (T): there are 500 bricks on the plane ,drop 1 brick ,how many brick left ? Student (S): Too easy!……