The combined 2% rewards rate — 1% when you make a purchase and 1% when you pay it off — is among the best on any cash-back card, especially for an annual fee of $0. Many or all of the products ...

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A pair of wool-like moccasin slippers for keeping your lil toesies nice and warm through these cold winter days. Your feet will be so thankful when you slip into these before you walk on the ...

Reduce energy consumption and improve comfort with the best window insulation kit. We tested top kits and review their ...

An innovative triboelectric nanogenerator using store-bought tape achieves high power output, enabling self-powered sensors ...

Improving upon a previously reported design, researchers publishing in ACS Omega have created a triboelectric nanogenerator ...

Zaps of static electricity might be a wintertime annoyance, but to certain scientists, they represent an untapped source of energy. Using a device called a triboelectric nanogenerator (TENG), ...