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NASA spools up ultra-high def aurora movie

NASA spools up ultra-high def aurora movie  article tells that  NASA has released an illuminating ultra-high definition (4K) video featuring the Auroras Borealis and Australis as seen from the International Space Station. Harmonic produced this show exclusively for NASA TV UHD, using time-lapses shot from the International Space Station, showing both the Aurora Borealis and

Hq Power adjustable PSU

Here is teardown of one failed power supply. What is inside Two 6.8 uF 400V capacitors had failed and burned the mains fuse. Good design that it was well protected. But again the failure was bad electrolytic capacitors. This device was not worth to repair.

1.5 billion more on-line by 2020

1.5 billion more on-line by 2020 article tells that a global push to create more than a billion new Internet users over the next four years is underway. More than 35 nations committed to expanding public Internet access and working with industry to build connections for rural users. World Bank President Jim Young Kim estimated

Tesla Coil Remotely Induces Nanotubes to Self Assemble

Nikola Tesla was cool expecially Tesla coils that can play music and and do other fancy things.Nikola Tesla conjured up all sorts of interesting experiments for his famed “Tesla Coils.” Today, however, their main use has been relegated largely to impressing visitors at science museums. Now there is one new scientific use: Tesla Coil Remotely

New Full Duplex Radio Chip Transmits and Receives Wireless Signals at Once – IEEE Spectrum

New Full Duplex Radio Chip Transmits and Receives Wireless Signals at Once – IEEE Spectrum http://spectrum.ieee.org/tech-talk/telecom/wireless/new-full-duplex-radio-chip-transmits-and-receives-wireless-signals-at-once A new chip by Columbia University researchers uses a circulator made of silicon transistors to reroute signals and avoid interference from a transmitter and receiver that share the same antenna. The chip enables them to work around the principle

The importance of ‘dogfooding’ in the cloud

The importance of ‘dogfooding’ in the cloud article from InfoWorld tells that Amazon.com runs entirely on AWS EC2 and Microsoft runs Office365, Skype, and XBox Live on Azure. But Google doesn’t run any of its products on GCP. Here’s why it matters. The term “dogfooding” is used to describe companies using their own products. The