Japan raises nuclear alert to highest levelJapan raised the severity of its nuclear disaster to the highest level on Tuesday, putting it on a par with the world's worst disaster nuclear accident at Chernobyl after another major aftershock rattled the quake-ravaged east. Enginee More… |
Japan hit with nuclear crisis; economy at riskJapan scrambled to avert a meltdown at a stricken nuclear plant on Monday after a hydrogen explosion at one reactor and exposure of fuel rods at another, just days after a devastating earthquake and tsunami that killed at least 10,000 people. More… |