Last updated 47 weeks ago
Amazing Photos Show What Happens When You Polish a Meteorite That Falls from Space
When picturing a meteorite, we generally think of it as something that’s jagged with a rough texture. Reddit user Isai76, however, recently shared something unexpected - a polished meteorite! In addition to the photo, fellow Redditor fewthe3rd explained what makes this polished piece so special. It’s technically a pallasitic meteorite, and the green-yellow transparent minerals are called olivine, which composes most of the upper mantle of the Earth. The metallic parts are an iron-nickel alloy.
APOD: 2007 June 17 - Analemma over Ukraine
Depuis un point fixe, photos du soleil prises au même moment de la journée pendant une année. Le trajet obtenu ressemble au signe mathématique "infini" ! / Fixed position photograph of the sun, taken at the same time of day over a year. It looks like the infinity symbol !
Nasa reveals first quantum teleportation experiment in city cables
Quantum teleportation is made possible through ‘entanglement,’ which describes a phenomenon in which two particles remain bound across a large distance. Anything that affects the state of one particle will also affect the other, as illustrated above