Olu luhlu lweemveliso zenziwe ngefiber ekhanyayo.Ngethuba nje ithatha nayiphi na ukukhanya okubonakalayo kwimizuzu ye-10, amandla okukhanya angagcinwa kwifiber, kwaye angakwazi ukuqhubeka nokukhanya okungaphezulu kweeyure ze-10 kwindawo emnyama.Ingozi, i-radioactivity ayigqithisi umgangatho, ukufikelela kukhuseleko lomntu ...
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