When it's a ramjet that uses rotating detonation technology to propel aircraft at hypersonic speeds. A case in point is Venus Aerospace's new Venus Detonation Ramjet 2000 lb Thrust Engine (VDR2).

The Oura Ring 4 builds in major upgrades spec for spec from the Oura Ring Generation 3. In its slimmest design to date, it comes in a streamlined titanium build and trims its interior recessed ...

Oura on Thursday unveiled the fourth generation of its popular smart ring. The Oura Ring 4 arrives just under three years after its predecessor’s debut. Despite the gap, the new wearable largely ...

Well-established in the smart ring arena, Oura consistently offers a refined user experience and an attractive device. The newest model, the Oura Ring 4, builds on the success of its predecessor ...

Like its predecessor, the Oura Ring 4 offers users a subtle, passive health-tracking experience with a device that blends into their daily lives by mimicking traditional jewelry. The new model ...

The Oura Ring 4, like a stealthy ninja in the night, may have just knocked the Samsung Galaxy Ring off its high horse. I've been wearing the Galaxy Ring since it launched in late July — and I've ...

With its latest smart ring, Oura says farewell to sensor bumps for improved comfort. I got the Oura Ring 4 around my finger and have some first impressions to share. I’m PCMag’s senior analyst ...

Smart home security company Ring announced today that it’s bringing 24/7 continuous video recording (CVR) to its smart security cameras. This will allow a camera to record continuously rather ...

Ring Protect is now Ring Home, but prices are the same, starting at $4.99 per month for Basic and going up to $9.99 for Home Standard and $19.99 for Home Premium. 24/7 recording (Credit: Ring) ...

Smart rings are having a moment. After years as a niche gadget, regular people are starting to see the appeal. They’re thinner, more accurate, and more wearable compared to a decade ago — and ...

Flag Wars codes are the best way to stock up on in-game currency, resources, and weapons. With thousands of Cash ready to be claimed, you can gain access to powerful weaponry and equipment quite ...