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  • What is radiation?

    What is radiation?0

    Do you know what radiation is? Let’s look at the word “radiation”. We usually say that sound is radiating from the radio or that heat is radiating from a heater. The use of the word “radiation” in these sentences gives us a clue of what radiation is. Let’s look at the definition of radiation so

  • Which food never spoils?

    Which food never spoils?0

    Imagine that you’re an archaeologist who has just discovered the unopened tomb of a pharoah! In amongst the many treasures that were placed in the tomb you find the dried-out, mummified remains of food that was left for the pharoah to eat in the afterlife. And in the middle of that, you find a jar