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2. Emu - Wikipedia

   en.wikipedia.org/wiki/Emu

   Emus begin to settle down at sunset and sleep during the night. They do not sleep continuously but rouse themselves several times during the night. When falling asleep, emus first squat on their tarsi and enter a drowsy state during which they are alert enough to react to stimuli and quickly return to a fully awakened state if disturbed.

3. Night-vision device - Wikipedia

   en.wikipedia.org/wiki/Night-vision_device

   The effect on the natural night vision of the eye is evident A standard telescopic sight augmented with a night-vision device in front on the M110. Note that in addition to the image intensifier, the NVD gathers much more light by its much larger aperture A 1PN51-2 night-vision reticle with markings for range estimation First-person view ...

4. Night vision - Wikipedia

   en.wikipedia.org/wiki/Night_vision

   A specific type of NVD, the night vision goggle (NVG) is a night vision device with dual eyepieces. The device can utilize either one intensifier tube with the same image sent to both eyes, or a separate image intensifier tube for each eye. Night vision goggles combined with magnification lenses constitutes night vision binoculars.

5. These Anti-Motion Sickness Glasses Are Going Viral on ... - AOL

   www.aol.com/anti-motion-sickness-glasses-going...

   "Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Anti-motion sickness glasses are trending on TikTok, with many users claiming that they help ...

6. Why Blue Light Glasses May End Up Preventing Disrupted Sleep

   www.aol.com/lifestyle/why-blue-light-glasses-may...

   Here are the best blue-light blocking glasses you can buy in 2023. Our experts are also revealing if they really work. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please ...

7. Crepuscular animal - Wikipedia

   en.wikipedia.org/wiki/Crepuscular_animal

   Many predators forage most intensively at night, whereas others are active at midday and see best in full sun. The crepuscular habit may both reduce predation pressure, increasing the crepuscular populations, and offer better foraging opportunities to predators that increasingly focus their attention on crepuscular prey until a new balance is ...