Red cellophane, a type of plastic wrapping and decorative material, can be layered and paired with a standard flashlight containing a regular bulb to create a red-light effect. Night-time beach ...

A red-light flashlight — or a regular flashlight with red cellophane over the light — is important. “In an urban environment, as you go outside your eyes become night-adapted if it’s dark ...

Our flashlights, swathed in red cellophane, cast an eerie glow on the headstones—many over 100 years old, some more recent.

Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark adaptation. In terrestrial terms, it helps us see better at night and in dark ...

it’s best to cover flashlights with a piece of red cellophane or keep them off unless absolutely necessary. Rametta only went a short distance Monday before spotting a large group of fireflies ...