In 2006, electric utility Minnesota Power published the Pyramid of Energy Conservation, which recommended the order of what you should do when making a plan to upgrade your home for energy efficiency.

Pictures 15 PhotosJune 14, 20167:36 AM PDT Tate Modern's new pyramid tower ...

Egyptian officials revealed the discovery of a mysterious, 30-foot-long corridor sealed off inside the Pyramid of Khufu on Thursday. It was discovered using modern scanning.

New SAR scanning technology is giving archaeologists a fresh look inside the ancient Khafre Pyramid. The project traces how the news about hidden chambers and structural mysteries first emerged.

If one had observed the pyramid around the time its construction was completed, the sides would have looked much more smoothly tiled—more like a brick wall than a series of steps.

The modern pyramid scheme was invented in 1945 in Long Beach, California, by two men: Stanford-educated pop psychologist William Casselberry, and Lee Mytinger, a skilled salesman.

An Ancient Pyramid Is Getting a Modern Makeover. Critics Are Outraged. Jackie Appel January 31, 2024 An Ancient Pyramid Is Getting a Modern Makeover.JimPix - Getty Images ...