What the hell is a lumen and why do I need it? I’m going back to candlelight. #lights #lightbulb #led #igoogledalumeniknowwhatitisnow

The Light Bulbs You Need to Get Rid of IMMEDIATELY (New Research). The light bulb above your head right now may be quietly STARVING every cell in your body. Scientists just gave it a name: 21st century SCURVY. In less than one generation we deleted 95% of the natural light spectrum from human life, and almost nobody noticed. Press your finger over your phone's flashlight and you'll see a deep red glow. That's near-infrared light passing straight through your hand - the exact wavelength band that

How a Tube Light Glows Under Power Lines #physics

Genuine question… why can we not just have universal navy blue 😭 or at least something close to universal navy blue? I get it. The answer is obvious. “Wear the same brand on top and bottom.” But sometimes a girl wants to mix it up, and this is the result. #nursingschool #nursing #mom #FutureNurse #daughter

The 'Blue Collar SpongeBob' Meme Explained

blue archive id song boombox roblox #роблокс #boombox #song #roblox #music #blue #archive

Not all rechargeable LED lights are made equal. Mine last ages between charges depending on how often they’re activated, so if you’re constantly taking yours down to charge them, you’ve probably bought the shit ones. #ledlights #motionlights #rechargeablelights #homelighting #homefinds

What Is Gravity? Newton, Einstein, and Black Holes Explained

7-Mode Green Laser Light | Amazing Light Effects & Fun Demo ✨ #GreenLaser #LaserLight #LightEffects