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 ...

Red-light flashlights are the polite lighting choice. Rangers hand out red cellophane and rubber bands that visitors can use to wrap their own flashlight lenses. On the evening I visited ...

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 ...

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

To DIY a red flashlight, try one of the following methods: Cover your flashlight with red cellophane (a limited quantity of cellophane and rubber bands will be available at the canyon).

Whether you live in a city or the countryside, at some point you’ve probably stopped to marvel at the night sky. But how do you know what you’re looking at? If you want to get a bit more ...