Tesla coils and other high voltage equipment that make sparks are always entertaining and potentially dangerous. There are some portable tesla coils you can buy online that say, “safe, low current”, and yet they still produce lightning and have a high voltage output.700K Mini Coil Tube Neon Glow Coil With Transparent Plate Power Supply For →
https://www.cyberciti.biz/faq/howto-patch-linux-kernel-stack-clash-vulnerability-cve-2017-1000364/ A very serious security problem has been found in the Linux kernel called “The Stack Clash.” The Qualys Research Labs discovered various problems in the dynamic linker of the GNU C Library (CVE-2017-1000366) which allow local privilege escalation by clashing the stack including Linux kernel. This bug affects Linux, OpenBSD, NetBSD, FreeBSD and Solaris, →
http://www.techrepublic.com/article/raspberry-pi-simulator-lets-you-start-tinkering-without-even-owning-a-pi/ Microsoft is building an online Raspberry Pi simulator that allows Makers to write code to control hardware… even without owning a board. At present, the simulator is in ‘preview’ and is quite rudimentary. →
https://techcrunch.com/2017/06/20/arduino-developers-get-extra-support-as-codeanywhere-acquires-codebender/?ncid=mobilenavtrend Codeanywhere, a cross platform cloud IDE for creating web apps and sites has acquired Codebender, another cloud IDE that enables users to develop for Arduino devices. Codebender and its additional services edu.cobebender.cc and blocks.cobebender.cc will continue to operate and be supported by Codeanywhere. Codebender has attracted about 100,000 users and more than 300,000 projects are →
https://techcrunch.com/2017/06/19/researchers-train-drones-to-use-wi-fi-to-look-through-walls/?ncid=rss&utm_source=tcfbpage&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29&utm_content=FaceBook&sr_share=facebook This is quite interesting -or frightening – WiFi radar application. A new system by University of California, Santa Barbara researchers Yasamin Mostofi and Chitra R. Karanam uses two drones, a massive Wi-Fi antenna, and a little interpolation to literally see through solid walls. One drone blasts Wi-Fi through the structure and another picks up the signal. →
https://www.davisnolan.com/kotlin-java-android-developer/ Ever since the Google I/O keynote, developers have been wondering whether they should stick to Java or start focusing on Kotlin, which is now an official programming language for the development of Android applications. The truth is that as opposed to Java, the resources for learning Kotlin are scarce. Java vs. Kotlin shouldn’t even be a →
Gartner has published a new magic quadrant for infrastructure-as-a-service (IaaS) – the results should not be surprising to anybody. Consider this posting as update to my previous cloud market posting few years back. Here is reporting on newest cloud market trends from two sources: Gartner puts AWS, Microsoft Azure top of its Magic Quadrant for IaaS →
http://robert.ocallahan.org/2017/06/how-i-found-20-year-old-linux-kernel-bug.html?m=1 This class of bugs — “small overrunning read that doesn’t get used” – was found on some wireless ioctl system calls. The bug was apparently introduced in Linux 2.1.15, released December 12, 1996. It’s interesting that it wasn’t found and fixed until now. I guess not many programs use these ioctls, and those that →
https://www.open-electronics.org/sifive-announced-the-arduino-cinque-the-new-risc-v-based-development-board/ The Arduino Cinque is the second RISC-V based development board put out by SiFive (the first being the HiFive1) compatible with the Arduino platform. “By partnering with a pioneer in open-source hardware, SiFive can further advance the progress of open custom silicon” Board has SiFive’s Freedom E310 customizable SoC, which runs off the E31 CPU →
https://hacks.mozilla.org/2017/06/firefox-54-e10s-webextension-apis-css-clip-path/ Today’s release completes Firefox’s transformation into a fully multi-process browser, running many simultaneous content processes in addition to a UI process and, on Windows, a special GPU process. It also improves stability, ensuring that a single content process crashing won’t take out all of your other tabs, nor the rest of the browser. Firefox continues →