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Lenses: Holography is often referred to as "lensless photography," but holography does require lenses. However, a camera's lens focuses light, while the lenses used in holography cause the beam to spread out. A beam splitter: This is a device that uses mirrors and prisms to split one beam...
How to Build Your Own Direct/Diffuse Radiation SensorHow to Build Your Own Direct/Diffuse Radiation Sensor ( Hurricanesagforest)
There's no real definitive, overarching definition for the phenomenon known as light pollution, but here's a general way to break it down into types: Sky Glow: Occurs when diffuse light escapes from developed landscapes, leaving a bright, hazy dome cast over cities and towns. Nighttime photos...
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Lenses: Holography is often referred to as "lensless photography," but holography does require lenses. However, a camera's lens focuses light, while the lenses used in holography cause the beam to spread out. A beam splitter: This is a device that uses mirrors and prisms to split one beam...
How Does A pH Probe Work? November 4, 2022 Blog Share This Post pH probes contain two electrodes (a sensor electrode and a reference electrode) that measure the hydrogen-ion activity in a solution. The exchange of ions generates a voltage that is measured by the pH meter converting the ...
This is because digital cameras use a dichroic filter in front of the imaging sensor to diffuse the image, reducing an effect called moiré (=unwanted patterns which can occur when there are very fine lines in fabrics such as silk). However, this filter causes a slight softening of the ...
Rebecca Edwards Rebecca is the Managing Editor and lead safety expert at SafeWise.com, where she's been researching, testing, and writing about home and personal security for over 12 years. Her safety smarts come from both real life and professional experience—as a single parent trying out sa...
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