結果 : what is the least bright light bulb
5:00

How to choose a healthy light bulb

Illuminating Health
19,338 回視聴 - 5 年前
2:55

LED電球にアルミホイルを貼ると明るさが100%アップ

Simple Ideas
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Light Bulb Facts | watts, lumens, kelvin, color temperature, and more!

Belinda Carr
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The best LED light bulb EVER made is $3.50. Excellent CRI, No Flicker, Even Dimming.

The Hook Up
392,278 回視聴 - 1 年前
1:21

Light Bulb Lineup: Comparing Incandescent Bulbs with CFLs and LEDs

KQED QUEST
88,574 回視聴 - 11 年前
0:46

How Does a 100W Bulb Compare to a 60W in Brightness?

Speedy Solutions
116 回視聴 - 11 か月前
10:24

Series and Parallel Circuits - Light Bulb Brightness

The Organic Chemistry Tutor
244,280 回視聴 - 4 年前
2:32

Which Bulb is Brightest?

Seng Kwang Tan
14,542 回視聴 - 11 年前
1:41

Ask The Expert: What's the best light bulb to use in order to save energy?

Reduce Energy Use DC
6,917 回視聴 - 4 年前

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18:53

Who Invented The Light Bulb?

CNBC
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8:34

Light Bulb Guide | LED, CFL, incandescent, neon & more

Belinda Carr
9,162 回視聴 - 3 年前
3:20

Just Put Aluminum Foil on the Led Bulb and you will be amazed.

Inventor 101
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2:00

60W Traditional Light Bulb verses 6W LED - LEDS4LESS

leds4less
99,857 回視聴 - 11 年前
17:27

Bright Idea: the Incandescent Bulb Ban and why it matters

Daniel Solberg
7,024 回視聴 - 1 年前
16:39

How To Buy A Light Bulb (Yes, Seriously!)

Enduring Charm LLC
50,052 回視聴 - 3 年前
1:27

Keeping Bugs Away // Yellow Bulb Review

Reviewing Literally Everything
13,142 回視聴 - 2 年前
1:44

100W LED BULB IN A 60W FIXTURE??

Kira Home
25,863 回視聴 - 2 年前
3:07

How bright an LED bulb can I use in my light?

Lightahome UK
565 回視聴 - 6 年前
2:15

(Practical) Which bulb glows brighter?

ElectricalEngineeringPlanet
2,599 回視聴 - 3 年前
7:41

How To Choose Your Light Bulb

Around The Home
2,101 回視聴 - 10 年前