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Published on: April 28, 2015
3. Pager – A pager or a beeper is a small personal gadget that can receive text messages. The market leader for pagers was Motorola. They were commonly used from the 70’s, through the 80’s and 90’s, until abandoned for mobile phones
Published on: March 3, 2015The 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 […]
Published on: February 20, 2015In June 323 BC, Alexander the Great died in Babylon aged 32, having conquered an empire stretching from modern Albania to eastern Pakistan. The question of what, or who, killed the Macedonian king has never been answered successfully. However, new research may have finally solved the 2,000-year-old mystery. Alexander III of […]
Published on: February 17, 20163.Cholera Epidemic In an attempt to assist with the earthquake relief efforts in Haiti.The UN peacekeeper inadvertedly caused a cholera epidemic which killed 8000 people. The UN peacemaker contracted the disease from an earlier mission in Nepal and caused the epidemic, when a sanitation system at their base leaked contaminated fecal matter […]
