一公升的陽光

偉大科技不在艱深而在貢獻

一公升的陽光

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菲律賓的工程師用了一個非常簡單的方式,幫助這個國家最貧窮的人們把光引入家庭,這專案名為一公升的陽光,方法非常簡單只要把一公升的寶特瓶裝滿水,對環境非常綠能,幾乎是完全免費的

[譯註:看完請反思一下,多麼聰明的菲律賓工程師,造福5萬個燈泡]
The BBC's Kate McGeown reports from Manila.

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Light up dark areas in your home during daytime using this green and sustainable concept. Recycle used clear plastic soda bottles, add water+bleach, then install. After installation this solar light bulb can provide approximately 55 watts of light from the sun!

The comments below have noted that this is like a solar tube or deck prism.

The communities who benefit from this idea live in areas where the houses hardly have windows and live in darkness even during daytime. Their solution up until this innovation was to turn on the light bulb and use electricity.

Source: www.isanglitrongliwanag.org
Materials:
*PET soda bottle
*Galvanized Iron (GI) sheet
*Rubber sealant
*Bleach
*Filtered Water
Step 1 Cut approximately 9 x 10 inches of GI sheet (corrugated or flat)

(Filipino: Gumupit ng yero na may sukat na 9 x 10 inches.)

Step 2 At the center of the GI sheet, draw 2 circles


(Filipino: Sa gitna ng yero, gumuhit ng 2 bilog (labas: pareho sa sukat ng bote; loob: mas maliit ng 1 cm). Gupitin ang mas maliit na bilog.)


Step 3Cut the 1 cm difference radially, making strips and bend upwards, perpendicular to the GI sheet

(Filipino: Gupitin paikot ang natira na 1 cm sa maliliit na bahagi at itupi pataas, salungat sa yero.)




Step 4Using sandpaper, scratch the surface around the upper third portion of the soda bottle where the GI sheet will be placed, to allow the rubber sealant to stick better

(Filipino: Gamit ang sandpaper, kuskusin ang ibabaw sa may ikatlong bahagi ng bote kung saan ilalagay ang GI sheet para mas dumikit ang rubber sealant.)


Step 5Insert the bottle into the GI sheet until the upper third. Apply rubber sealant on the strips above and around the area below. Wait to dry


(Filipino: Ipasok ang bote sa gitnang butas ng yero hanggang sa itaas na ikatlong bahagi. Lagyan ng rubber sealant ang itaas at ibaba ng pinagkabitan.)


Step 6Fill the soda bottle with filtered water and ~10 mL (2 capfuls) of bleach. Cover with its original cap


(Filipino: Punuin ang bote ng filtered na tubig at ~10 mL na bleach (2 sukat gamit ang takip). Ilagay ang takip.)





Step 7The solar bottle bulb is now ready for installation!


(Filipino: Ang solar bottle bulb ay handa nang ikabit!)

(Proceed to next step for the installation.)


Step 8Cut a hole on the roof, similar to the bottle circumference

(Filipino: Gumawa ng butas sa bubong, pareho sa sukat ng bote.)


Step 9-Place the solar bottle bulb into the hole. Make sure it is firmly in place


(Filipino: Ilagay ang solar bottle bulb sa butas. Siguraduhin na maayos ang pagkalagay.)


Step 10Drill 4 holes on each side of the solar bottle bulb using Bosch lithium-ion cordless drill and put in the rivets

(Filipino: Magbutas ng apat sa magkabilang gilid ng solar bottle bulb gamit ang Bosch lithium-ion cordless drill at lagyan ng rivets.)


Step 11Apply rubber sealant around all edges of the GI sheet of the solar bottle bulb to avoid leakage. Make sure to cover the rivets

(Filipino: Maglagay ng rubber sealant sa lahat na gilid ng GI sheet ng solar bottle bulb upang maiwasan ang pagtulo.)


Step 12Place a protective plastic tube on the bottle cap and apply rubber sealant
(Filipino: Lagyan ng plastic tube at rubber sealant ang takip ng bote.)


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