Modern cities are designed for cars. But the city of Barcelona is testing out an urban design trick that can give cities back to pedestrians.
America is changing how it gets its energy, and coal is losing out.
Just because something is difficult doesn’t mean it’s impossible. Over the past centuries, archaeologists, historians, and engineers have reconstructed a great deal of the technology and science used to build the Egyptian pyramids. This week we look at ancient Egyptian mathematics, building techniques, tools, and culture to reconstruct the Great Pyramid’s construction.
Who built the pyramids? The colossal geometric monuments found at Giza and elsewhere in Egypt are some of Earth’s most impressive constructions. Pyramids are truly wonders of the ancient and modern world.
A better way for animals to cross the road.
Tesla is gearing up for the big reveal of the Model 3, its first mass-market car. CEO Elon Musk unveiled the car in March of 2016, but Tesla will show off the production version of the sedan in July. The summer premiere will offer the roughly 400,000 customers who preordered the vehicle a chance to see the final version before deliveries begin at the end of the year.