There are many eco-friendly ways to finish a project, whether it is a new piece of furniture or a renovation. Here are a few ideas to get you started: 1. Use natural dyes and finishes. Many eco-friendly dyes and finishes are available now, such as natural vegetable dyes and beeswax finishes. 2. Use recycled materials. […]
Gravity More than a century ago, Einstein’s theory of general relativity fundamentally altered how people thought about the cosmos. Since then, researchers have shown that time is not moving steadily forward as previously thought. That time moves more swiftly at the top of every staircase in the world than it does at the bottom is […]
spacecraft A Long March 5B rocket has returned to Earth during an uncontrolled reentry four times in the last two years.This week, after delivering its third and last module to the nascent space station, a second Chinese Long March 5B rocket is anticipated to crash down to Earth. Researchers at the Aerospace Corporation’s Center for […]