Yan Rabinovich

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How To Prove That Light Can Be Converted Into Matter

A decades-old hypothesis gets closer to solidity.<p>In 1934, two American physicists theorized that if one could make two photons collide, the collision would produce two positron-electron pairs—and thus convert light into matter. If proven in a lab, the process would be a pure demonstration of …

Physics

SpaceX's first manned spacecraft can carry seven passengers to the ISS and back

Elon Musk thinks the vessel will be ready by 2016<p>Elon Musk's SpaceX has revealed its first manned spacecraft at a live launch event in California. The Dragon V2 is capable of carrying seven astronauts for several days to and from the International Space Station, docking automatically with the …

APOD: Planetary Nebula Abell 36 (2014 May 30) Image Credit & Copyright: Adam Block, Mt. Lemmon SkyCenter, Univ. Arizona http://apod.nasa.gov/apod/ap140530.html Explanation: The gorgeous, gaseous shroud of a dying sunlike star, planetary nebula Abell 36 lies a mere 800 light-years away in the constellation of Virgo. At that distance it spans over 1.5 light-years in this sharp telescopic view. Shrugging off its outer layers, the nebula's central star is contracting and becoming hotter, evolving towards a final white dwarf phase. In fact, in Abell 36, the central star is estimated to have a surface temperature of over 73,000 K, compared to the Sun's present 6,000 K temperature. As a result, the intensely hot star is much brighter in ultraviolet light, compared to its visual appearance here. The invisible ultraviolet light ionizes hydrogen and oxygen atoms in the nebula and ultimately powers the beautiful visible light glow. http://www.caelumobservatory.com/ http://skycenter.arizona.edu/ http://www.as.arizona.edu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140530 #APOD

US cybercrime laws being used to target security researchers

Some of the world’s best-known security researchers claim to have been threatened with indictment over their efforts to find vulnerabilities in internet infrastructure, amid fears American computer hacking laws are perversely making the web less safe to surf.<p>Many in the security industry have …

New Heartbleed attack hits Android devices and routers over Wi-Fi

Seven weeks after the bug put the web on high alert, Heartbleed is still causing problems. A new report from Portuguese security researcher Luis Grangeia describes how the same bug could be used over Wi-Fi to enable new kinds of attacks that build on the same vulnerability.<p>The damage will be much …

11 Financial Books Every Young Person Should Read

Those of you who are seeking investing enlightenment are not going to find much of it on the web.<p>I suggest you log off, power down your computer, and read some books. Take your time. The months you spend perusing this list will be well spent.<p>I'd recommend reading at least the first four books …

Investing

Amazon Prime to launch music-streaming service, report says

Amazon will launch a music-streaming service this summer, according to a report that comes just one day after Apple announced its acquisition of Beats Music.<p>The rumored music-streaming service will be available to Amazon Prime members, according to Buzzfeed, which cited unnamed sources for its …

Sony Music