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Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Optical materials are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each task ...

When winter storms knock out the power, they rarely give much warning — and suddenly, everyday essentials like heat, lights, and phone chargers feel anything but optional. The best portable generators ...

Generac Generator purchased in May of 2021. Serial number: 000000003008290317 Unit Description: 48KW 4.5L 120/240 1P NG AL In the 4+ years we have had this generator ...