The compass Ancient mariners navigated by the stars, but that method didn’t work during the day or on cloudy nights, and so it was unsafe to voyage far from land. The Chinese invented the first compass sometime between the 9th and 11th century; it was made of lodestone, a naturally-magnetized iron ore, the attractive properties […]
Baby smiles in delight at seeing his mother for the first time in his life after receiving new glasses. Baby Leopold suffers with a rare disorder called oculocutaneous albinism Condition affects color of his hair and skin and severely impairs his vision. What might it be want to see your mother plainly surprisingly when you’re […]
