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The Family Handyman on MSN4d
These LED Bulbs Could Last Up to 50 Years
Enter LED bulbs. LED bulbs followed compact fluorescents (CFLs) onto store shelves in the early 2000’s as an even more ...
The Better India6d
Taking Electricity, Wherever They Go: Engineer’s Portable Solar Units Power Huts of Tribal Migrants in Maharashtra
Tanveer Inamdar's Mission Urja has transformed tribal villages in Maharashtra, bringing electricity through innovative ...