Word: einstein
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...strings and cosmic textures. And lately theorists have revived an old idea known as hot dark matter, and an even older one called the cosmological constant. The latter is a kind of cosmic antigravity that gives the expanding universe an extra outward push; it was first conceived by Albert Einstein himself, who then rejected it as "the greatest blunder of my life." Each of these ideas is still floating around, championed by its own corps of diehards...
...EINSTEIN'S BIGGEST BLUNDER: Even at an optimum age of 12 billion years, the universe is too young to accommodate 14 billion-year-old stars, so even the radical step of abandoning the inflation theory might not be enough to resolve the age crisis. But there could be a solution that allows inflation to remain. All the theorists have to do is throw out another of their cherished beliefs: that Einstein was right when he repudiated his concept of a cosmological constant. Says Princeton physicist Jim Peebles: "People hate the cosmological constant. I used to hate...
Salk and vaccine. the words somehow belong together-like Fleming and penicillin or Einstein and relativity. So when Dr. Jonas Salk, the developer of the first effective vaccine against polio, announced eight years ago that he was coming out of retirement to tackle AIDS, many people cheered-especially the growing numbers of patients infected with hiv. Who better to lead the charge against the current plague than the conqueror of an infamous childhood scourge? Within the scientific community, though, there was more doubt than expectation. AIDS was a tougher target than polio, and few experts believed that Salk's approach...
...high energy physics division of the CfA,physicist Suzanne E. Romaine is working on aproject to develop high quality lenses for thesuccessor to the NASA satellite "Einstein...
...original Einstein satellite, which waslaunched in the '70s, contained CfA-engineeredinstruments allowing it to produce the firstfocused images of X-ray sources in space...