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...late 1930s, the Rural Electrification Administration, one of President Franklin D. Roosevelt's New Deal programs, had delivered electric lighting to nearly every corner of the country. Development on the bulb didn't stop either: researchers have modified Edison and Swan's design further, refining the filament by using tungsten and filling the vacuum with gas, both of which increase the life span of a bulb. Still, even modern bulbs are inefficient - less than 6% of the energy used by a bulb goes into producing light. The rest is given off as heat...

Author: /time Magazine | Title: The Lightbulb | 10/21/2009 | See Source »

...plan backed by the panel calls for putting up to four non-explosive "dispersible kinetic energy projectiles" atop each missile. Each GPS-guided projectile would contain about 1,000 tungsten rods that would strike the target at a mile a second (a fuse could spew them more widely across the ground, with less impact, or let all 250 pounds hit the same point for maximum destruction). The force of a single rod, the report says, would be similar to that of a hefty 50-caliber bullet. The lack of any explosive would generate precise mayhem, "comparable to the type...

Author: /time Magazine | Title: Will the US Develop a Death Ray? | 8/21/2008 | See Source »

...Nebraska Furniture Mart); ate where Buffett likes to eat (Gorat's Steak House); tried to beat him at bridge (they didn't); and spent five hours grilling him and his closest confidant, vice chairman Charlie Munger, on everything from owning 8% of Kraft Foods to how the price of tungsten will affect the Israeli toolmaker Berkshire invested in two years...

Author: /time Magazine | Title: Postcard: Omaha | 5/8/2008 | See Source »

...created equal; competition proves we are not, or else every race would end in a tie. We talk about a level playing field because it's the least we can do in the face of nature's injustice. Some people are born strong or stretchy, or with a tungsten will. But Pistorius' advantage comes from what nature left out and technology replaced: his body ends at the knees, and from there to the ground it's a moral puzzle...

Author: /time Magazine | Title: Cool Running | 1/17/2008 | See Source »

...birds, wildlife and even some endangered species that wildlife experts and activists claim die annually from ingesting spent ammo that gets left in the mountains, prairies, and forests where the hunted species thrive. As an alternative, "get-the-lead-out" advocates want hunters to start using copper, bismuth, tungsten, steel, tin, and other alloys in their bullets...

Author: /time Magazine | Title: Taking Aim at Hunters' Ammo | 4/4/2007 | See Source »

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