The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

Hydraulic fracturing for oil and gas, also known as fracking, has emerged as an issue in the 2024 presidential election. Kamala Harris and Donald Trump have debated their positions on fracking in part ...

If you're looking to keep the various fasteners in your latest mechanical project firmly where they're supposed to be, a few drops of Henkel's Loctite threadlocker can do you some good. These liquid ...

No one likes to think about having a nut, bolt, or screw spontaneously come loose in an elaborate device or machine. If a single, vital fastener happened to fall out of your current mechanical project ...

Sarah McCreanor, or Smac, has attracted millions of followers with her reproductions of the weird-yet-familiar images and memes that shape internet culture. By Margaret Fuhrer Like comedians, dancers ...

The Step Pyramid stands more than 200 feet tall and is made from stones weighing more than 650 pounds. Some other researchers are not yet convinced by the idea that it was built using a hydraulics ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For years ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The honor of Egypt’s oldest necropolis belongs to Pharaoh Djoser ...

Waterpower may have given a big lift to builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara. Ancient architects built a hydraulic system for hoisting ...

As you progress with Once Human, building the base of your dreams and shooting at anyone who dares infiltrate it (if you’re playing PvP, that is), you’ll find yourself in need of lots of resources and ...