Some lightning strikes are much more powerful than others and can often be the culprit behind some of Colorado's wildfires.

The year 2025 began with an extraordinary shortage of copper, leaving smelters across the world scrambling for supplies. The persistent shortage has left smelters so desperate that they are paying the ...

So-called treatment and refining charges (TCRC) should be a core revenue stream for copper smelters but spot charges have been negative since the start of the year and the mid-year negotiations ...

Lightning can strike anywhere at any time…On Sunday a large lightning storm went through Augusta, Georgia. Bringing both positive and negative strikes with it. Lightning is a massive electrical ...

The negative charges or electrons separate to the bottom of the thunderstorm, positive to the top. As these electrons zigzag down, known as a "stepped leader", it draws up a positive charge from ...

In most metallic materials, both positive and negative charge carriers can move. This means that both types of mobile charge carriers tend to be found more on the cold side rather than the hot side.