Ball three meters will simulate the Earth's core

Our planet still reserves many surprises, starting with its internal structure. We have theoretical models that can simulate with some accuracy the stratification of the Earth, the composition of the planetary core, and phenomena such as the Earth's electromagnetic field, but to know for sure what is going on inside our planet you must achieve a "Miniature Earth ".

Radar Detectors What is it?

Radar detectors are electronic devices used to determine whether engine speed is being monitored by laser or radar guns monitoring units. They are commonly used by motorists who tend to go with no high speed along the road to avoid being caught by police for exceeding the speed limit.

Mysteries of a Dark Universe

DARK ENERGY in Full HD 1080p. Cosmology, the study of the universe as a whole, has been turned on its head by a stunning discovery that the universe is flying apart in all directions at an ever-increasing rate.

Hubble Burning Questions

From HubbleCast and the incomparable Dr. J. The episode features answers to questions submitted by the public. What is the most empty spot of space you have ever seen? What's the longest single-shot exposure ever recorded of any object or area of space by Hubble? What are the farthest objects discovered by Hubble?

Dusty Reflections in the Scorpion's Claws

Between the claws of the dreaded scorpion imagined by the ancient Greeks lies this giant dust cloud, imaged by the Wide-field Infrared Survey Explorer, or WISE. The constellation of Scorpius is prominent in the summer night sky in North America.

CD Recorders

CD recorders transfer music, video, CDs or other data from various sources such as computers or other CD players. They can be independent or installed or connected to a computer. Computer assisted recorders are usually able to play audio CDs and video as well. They can also create multiple copies of a CD in one session.