Scientists in China have constructed and tested a device that uses redox couples paired with a single triple-junction amorphous-silicon photoelectrode. When tested under a xenon lamp simulating one ...

Due to its large dynamic range, the decibel is a useful unit of measure and is used in various applications, mainly in the ...

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Many investors within five years or so of retirement have the bulk of their savings in traditional tax-deferred 401(k)s and individual retirement accounts, instead of the after-tax Roth versions of ...

When I talk to clients about Roth conversions, one of the most important benefits I highlight isn’t necessarily about their own retirement; it’s about protecting their heirs. In my experience, many ...

A Roth IRA conversion lets you move money from a traditional IRA or 401(k) into a Roth IRA. You’ll pay taxes on the amount you convert now, but you’ll gain tax-free growth and withdrawals later in ...

Abstract: This paper presents a low power, high dynamic range (DR), light-to-digital converter (LDC) for wearable chest photoplethysmogram (PPG) applications. The proposed LDC utilizes a novel 2 ...

Ed Rhee, a freelance writer based in the San Francisco Bay Area, is an IT veteran turned stay-at-home-dad of two girls. He focuses on Android devices and applications while maintaining a review blog ...

If your new phone no longer supports SIM cards, or you don't want to use them anymore, you can convert to eSIM instead. I started my career with CNET all the way back in 2005, when the (original) ...

WASHINGTON – The Supreme Court on Oct. 7 will debate whether Colorado’s ban on “conversion therapy” for gay or transgender minors violates the free speech rights of a licensed counselor. The counselor ...

“We would have been able to include even more residential units if the new City of Yes for Housing Opportunity zoning text amendments had been approved earlier,” said Steinwurtzel. Image courtesy of ...