Piston rings look like simple pieces of metal. But they're the lifeblood of the ICE process, honed through decades of research. Piston rings are the reason internal combustion engines can exist.

Engine overhauls vary considerably in their scope—usually involving new piston rings. Assuming your question is not entirely academic, in the early stages of excessive wear, the piston rings ...

Transport group PISTON condemned the latest fuel price hike that took effect Tuesday as it staged separate protest actions in Pasay City and Mandaue City in Cebu. The group lamented that three ...

Aside from performance in the ring, voice is a major component needed to succeed in wrestling. One word and the crowd instantly knows who it is, cheers and waits in anticipation. Think of the best ...

Zendaya wore what appeared to be a 5.02-carat cushion-cut diamond ring at the 2025 Golden Globes Emily Blackwood is a writer and editor at PEOPLE. She has been working at PEOPLE since 2023.

However, I hadn’t had a chance to try out smart rings-- until now. These smart rings are more discreet than other wearables and easily blend in with whatever you’re wearing. I generally live a ...

Finding the perfect engagement ring is no easy task—especially when you’re on a tight budget. According to The Knot’s 2024 Jewelry & Engagement study, the average cost of an engagement ring ...

The best smart rings bring discreet health tracking to your finger in a much less obtrusive way than other health tracking gadgets. Previously an emerging market, smart rings are very much ...

On the outskirts of Melbourne, a series of large rings rise mysteriously out of the hills. These “earth rings”, located on Wurundjeri Woi-wurrung Country in the suburb of Sunbury, aren’t natural ...

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A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today. When you purchase through ...