but a handheld meter is ideal for the most accurate results. While there are only two types of light to measure (incident and ...

We know that measuring the speed of light with an Arduino is possible ... a photon will travel 19 meters in one clock cycle. Even with some very clever coding, we’re not really sure detecting ...

The small soil meter has two probes — to read moisture and pH levels — and a sensor at the top to measure light intensity. The display doesn't provide ultra-accurate readings, but it's enough ...

Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are ...