How Personal Choices Can Affect the Earth

You’re on your way to work and see some poor guy in the street getting pummeled by a group of his peers. What do...

Satellite Pollution: An Overview

In the 1950s, the world was a very different place. Radio and television signals could only be received by those who lived near the...
equipment for geodetic surveying

What is Geodetic Surveying

Geodetic surveying, or surveying for short, is the second oldest profession in civilization. Geodetic surveying is the science of measuring the Earth. The Pharaohs...
What Destroys Ozone Layers

Ozone Layer Depletion – Causes, Effects and Solutions

The decrease in ozone concentration in the middle layers of the atmosphere - mainly in the stratosphere - is extremely damaging to life on...
arc lamp idea

The arc Lamp, the First Electric Lighting

The electrification of cities and public lighting has been a challenge and an improvement for all societies. We are going to talk today is the coal...