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Invention of incandescent bulb.

Though Thomas Edison is usually credited with the invention of the light bulb, the famous American inventor wasn't the only one who contributed to the development of this revolutionary technology. Many other notable figures are also remembered for their work with electric batteries, lamps and the creation of the first…

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Focusing the mind on a particular object

Meditation is a practice where an individual uses a technique – such as mindfulness, or focusing the mind on a particular object, thought, or activity – to train attention and awareness, and achieve a mentally clear and emotionally calm and stable state. Scholars have found meditation difficult to define, as…