Geophysicist Dr. Josh Keyes discovers that an unknown force has caused the earth's inner core to stop rotating. With the planet's magnetic field...
The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made...
When Earth's magnetic poles begin reversing, David Terran, the only scientist who predited the possibility of such a sci-fi disaster, must join...
Near a small English village, a scientific team is conducting experiments with magnetic fields, the results of which may have military applications...
Brian Greene is going to let you in on a secret: We've all been deceived. Our perceptions of time and space have led us astray. Much of what we...
ការចូលប្រើដោយឥតគិតថ្លៃគ្មានដែនកំណត់, ស្វែងរកអ្វីទាំងអស់គ្មានការផ្សាយពាណិជ្ជកម្ម, ចំណងជើងរាប់លានហើយបន្ថែមជារៀងរាល់ថ្ងៃ, គ្រប់វេទិកានិងធ្វើឱ្យប្រសើរពេញលេញ, គ្រប់ទីកន្លែងនិងគ្រប់ពេលវេលា