But some of our favorite designs are the ones that do social good, like Olafur Eliasson's Little Sun -- a portable solar-powered lamp that's being distributed to people who live without electricity worldwide.
In other news, energy-efficient lighting advanced by leaps and bounds this week as we flipped the switch on IKEA's new solar-powered Solvinden lamp and we spotted a crystalline "Stardust" LED lamp made from sugar at the Milan Furniture Fair.
It was also a hot week for energy-generating tech as Intel unveiled a solar laptop chipset that can be powered by a desk lamp and MIT developed a tiny kinetic generator that can produce 100 times more power than previous devices of its kind.