Teaching Moments in Energy

AC vs. DC Power and the War of the Currents

Many of us don’t really understand how electricity works. It’s enough that it does work – you turn the switch, and the light comes on in the room. It may come as a surprise, then, to learn that there are actually two different kinds of electricity that we use to power the many devices in our lives. They are known as alternating current and direct current, or AC and DC (not the 70s-era rock band). READ MORE

What Was “The Current War”?

Energy around the world

The history of electricity is a long one, going back to about 600 B.C., when the Greek mathematician Thales of Miletus discovered static electricity by rubbing a piece of amber on a patch of cat’s fur. But some phases in electrical history were a bit more dramatic, and among the most suspenseful was a period known as “the war of the currents.” READ MORE

Major Innovations in the History of Electricity

We tend not to think much of it when we flip a switch and the lights come on, but just 150 years ago, such an event was seen as a modern miracle. The electricity we often take for granted today is the product of centuries of observation, experimentation and innovation, which turned inventors like Thomas Edison, George Westinghouse and Nikola Tesla into household names. READ MORE

Fixed vs Wholesale Electricity Plans

Fixed vs Wholesale Electricity Plans | Direct Energy

Texans are spoiled for options when it comes to paying for electricity. Not only do you get to choose your own electricity provider in the Lone Star State, most providers offer multiple plans, allowing you to shop around for that perfect fit for your energy habits, budget and lifestyle.  READ MORE

How Much Exercise Would It Take to Power Your Computer?

How Much Exercise Would It Take to Power Your Computer? | Direct Energy Blog

Many of us can’t go a day without using a computer at some point, for work or for pleasure. But if we had to push our bodies to the max just to get the system to boot up, we might spend a little less time playing Minesweeper. READ MORE

How Much Exercise Would It Take to Power Your Holiday Lights?

How Much Exercise Would It Take to Power Your Holiday Lights? | Direct Energy Blog

If it seems like the holiday light displays in your neighborhood are getting bigger every year, there’s good reason for it. Prices on LED string lights have come down substantially since they first appeared in stores, and the cost to operate them is a tiny fraction of what it costs to power old-fashioned incandescent bulbs. So, with that huge slash in energy consumption, we’re wondering just how much sweat it would take to make the average home merry all season long. READ MORE