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Tried everything to get rid of water rings? This Vaseline trick might surprise you

Key Points Leaving a damp glass, flower vase, or coffee cup on a wooden surface can cause a water ring.If treated promptly, ...
IEEE

Broadband SiN Interleaver With a Ring Assisted MZI Using a Tapered MMI Coupler

Abstract: We present an interleaver using a Ring-Assisted Mach-Zehnder Interferometer (MZI) where the ring is coupled to one arm of the MZI through a linearly tapered multimode interferometer (MMI), ...

What’s Going on With Smart Rings?

Ultrahuman smart rings currently can’t be sold in the US. We caught up with the company’s chief business officer to discuss ...

I've tested dozens of fitness trackers, and I think the Oura Ring 4 is the top smart ring for most people

The Oura Ring 4 is one of the sleekest fitness trackers I've reviewed. It's a top pick for all but the most serious athletes.