13 Best Food Delivery Apps Of 2020

The demand for food delivery has grown substantially over the past few years. In the United States alone, revenue in the online food delivery segment is projected to reach over 32 billion by 2024 (at an annual growth rate of 5.1% between 2020 and...

14 Best Examples Of Radiation And Their Effects

Radiation can be defined as the energy that travels through space or through a material medium in the form of particles or waves. Depending on the energy of the radiated particles, radiations can be categorized into two groups: Ionizing radiation:...