And for the waveguide, which picks up the signal at the narrow end of the horn, they used olive oil cans from Whole Foods. Graduate student Jay Chittidi said building the antennas “was one of the most ...

We also explain what oil blends are (like Brent and WTI), and ways you can speculate on live crude oil spot prices without having to buy physical barrels. Read on to learn more about the live crude ...

Risk Warning: Your Capital is at Risk. In this guide to trading crude oil, we explain how and where you can trade this popular commodity. We list regulated brokers and platforms that are available in ...