The alkali Metals on the periodic table
Chemistry

The Fascinating Qualities of Alkali Metals

May 14, 2022

When some metals, such as sodium, interact with water, they produce strong bases called alkalines. The term ‘alkali’ itself comes from an Arabic expression used to refer to wood ash heated without oxygen. […]

Photons emitted by a laser beam
Physics

Photons: The Wanderers in Space after the Big Bang

May 8, 2022

If we were able to travel in time and decided to travel to the start of the universe, we wouldn’t be able to see anything. This is because the photons that existed at the time wouldn’t be able to travel anywhere. […]

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