Tecnología, aprendizaje, historias interesantes, pensamientos al azar...
Saturday, April 02, 2011
Monday, March 28, 2011
Saturday, March 26, 2011
Friday, March 25, 2011
Wednesday, March 23, 2011
Saturday, March 19, 2011
Enlace del informe de Casa Blanca
La UPR-Mayagüez se menciona en las pags. 80-81 recomendando el proyecto de la Biorefinería.
Monday, March 14, 2011
Sunday, March 13, 2011
Learn almost anything—for free.
What started out as Sal making a few algebra videos for his cousins has grown to over 2,100 videos and 100 self-paced exercises and assessments covering everything from arithmetic to physics, finance, and history.
printer uses living cells print kidney
Surgeon Anthony Atala demonstrates an early-stage experiment that could someday solve the organ-donor problem: a 3D printer that uses living cells to output a transplantable kidney. Using similar technology, Dr. Atala's young patient Luke Massella received an engineered bladder 10 years ago; we meet him onstage.
radiation exposure remain low
Nuclear experts who have followed the developments at the damaged Fukushima Daiichi nuclear plant in northeastern Japan say that despite several setbacks, the possibility of massive radiation exposure remain low -- at least for now.