High-speed rail is cheaper than flying, faster than driving a car and loads more efficient than both. California has promised a high-speed rail from Los Angeles to San Francisco since 2008. If it's such a great idea, what’s taking so long? Here's one hint: It's going to cost $105 billion when all is said and done.

The tech world changes by the minute. Stay ahead of the curve with The Current, delivered to your inbox twice weekly.

Quantum computing is still in its infancy. But Google just had a massive breakthrough with its quantum computing system named Sycamore. It created a newly defined phase of matter called a time crystal. While that may sound like something out of science fiction, it's now a reality.

Optical illusions can be fun, but they also shed light on the complex ways our brain can convert a 2D image into a 3D space in our minds. So what can we learn from an excellent optical illusion, and what are we still looking to discover?

Gasoline engines typically provide a tremendous amount of horsepower. So, what if you put a gasoline-powered engine on devices that generally don’t need them? Well, one backyard scientist attempts to find out.

Big Tech is supposed to safely handle our personal online data, but now they’re getting into the political game. I don’t want to be any part of that, and neither should you. That’s why I trust and use ExpressVPN.

These Big Tech companies match your internet activity to your identity or location by using your public IP address, but with ExpressVPN, no one can see your IP address — no one.