Never mind that twisty compact fluorescent. The new energy-efficient way to light your home is with LEDs. An upcoming crop of bulbs draw 12 watts or less, edging out a typical fluorescent, and they have a more conventional shape, contain no mercury, and last at least 25,000 hours, three times as long.
They’re among the first LED bulbs as bright as a classic 60-watt incandescent (about 800 lumens), and they address past problems with LEDs, such as bluish light, overheated chips and too-concentrated beams. Launch the gallery to find out how they'll do it, all within a 130-year-old form.
The incredible innovations, like drone swarms and perpetual flight, bringing aviation into the world of tomorrow. Plus: today's greatest sci-fi writers predict the future, the science behind the summer's biggest blockbusters, a Doctor Who-themed DIY 'bot, the organs you can do without, and much more.