| Shrapnel from one of the supernovas appeared to run into another star within hours of the explosion, astrophysicist Yi Cao of Caltech and colleagues report. |
| But the Caltech and JPL researchers said that their new amplifier, which is a type of parametric amplifier, combines only the best features of other amplifiers. |
| One of the Caltech team's two new chips contains a close-packed array of 1,000 tiny chambers that can each hold 250 trillionths of a liter of fluid. |
| In 1997, he conceded a 1991 public scientific wager made with Kip Thorne and John Preskill of Caltech. |
| Hawking has maintained ties to Caltech, spending a month there almost every year since this first visit. |
| A Caltech researcher has identified a planet that has three suns. |
