PowerDNS, founded in the late 1990s, is a premier supplier of open source DNS software, services and support. Deployed throughout the world with some of the most demanding users of DNS, we pride ourselves on providing quality software and the very best support available. Since 2015 we are part of Open-Xchange.

Our Authoritative Server, Recursor and dnsdist products are 100% open source. For the service provider market, OX also sells OX Protect which builds on our Open Source products to deliver an integrated DNS solution with 24/7 support and includes features as parental control, malware filtering, automated attack mitigation, and long-term query logging & searching.

Signal boosters are devices that amplify wireless signals to extend coverage. When properly installed, signal boosters can help consumers, wireless service providers, and public safety first responders by extending cell phone coverage to areas that would otherwise have weak signals such as tunnels, subways, inside buildings, and in rural areas. Although signal boosters can improve cell phone coverage, malfunctioning, poorly designed, or improperly installed signal boosters can interfere with wireless networks and cause interference to a range of calls, including emergency and 911 calls.

On February 20, 2013, the Federal Communications Commission (FCC) adopted new rules governing the design and operation of consumer signal boosters, which are boosters designed to improve coverage in vehicles, homes and small offices.

The new FCC requirements for customers that own and operate a consumer signal booster include:

1. Obtain carrier approval prior to operating a signal booster
2. Register the booster with their service provider

By registering their booster the customer meets both of these requirements.

First 500 characters of the BNT162b2 mRNA. Source: World Health Organization

The BNT162b2 mRNA vaccine has this digital code at its heart. It is 4284 characters long, so it would fit in a bunch of tweets. At the very beginning of the vaccine production process, someone uploaded this code to a DNA printer (yes), which then converted the bytes on disk to actual DNA molecules.

Out of such a machine come tiny amounts of DNA, which after a lot of biological and chemical processing end up as RNA (more about which later) in the vaccine vial. A 30 microgram dose turns out to actually contain 30 micrograms of RNA. In addition, there is a clever lipid (fatty) packaging system that gets the mRNA into our cells.

RNA is the volatile ‘working memory’ version of DNA. DNA is like the flash drive storage of biology. DNA is very durable, internally redundant and very reliable. But much like computers do not execute code directly from a flash drive, before something happens, code gets copied to a faster, more versatile yet far more fragile system.

For computers, this is RAM, for biology it is RNA. The resemblance is striking. Unlike flash memory, RAM degrades very quickly unless lovingly tended to. The reason the Pfizer/BioNTech mRNA vaccine must be stored in the deepest of deep freezers is the same: RNA is a fragile flower.

Each RNA character weighs on the order of 0.53·10⁻²¹ grams, meaning there are around 6·10¹⁶ characters in a single 30 microgram vaccine dose. Expressed in bytes, this is around 14 petabytes, although it must be said this consists of around 13,000 billion repetitions of the same 4284 characters. The actual informational content of the vaccine is just over a kilobyte. SARS-CoV-2 itself weighs in at around 7.5 kilobytes.

For almost 10 years, Hoosiers have been able to deduct up to $1,000 on their Indiana tax return for each child who attends a private or parochial school in Indiana or who is homeschooled. With so many students switching to virtual learning due to the COVID-19 pandemic, you can’t blame parents for wondering if they can take Indiana’s Private School/Homeschool Deduction.

Under current law, you cannot deduct education expenses for which you were repaid, if your child was enrolled in a public or charter school, regardless of where learning took place. You can, however, claim the deduction if your child was enrolled in a private school, including a parochial school, if the school is physically located in Indiana. Expenses associated with distance learning for schools located outside of Indiana do not qualify.

Editor's Note: Aug. 3, NASA issued a statement over social media sharing that the space station "was 45° out of attitude when Nauka's thrusters were still firing & loss of control was discussed with the crew. Further analysis showed total attitude change before regaining normal attitude control was ~540°. Station is in good shape & operating normally." //

According to the report, Scoville took over mission control after the docking. It was actually his day off, but he was on site because he'd helped to prepare for the module docking and wanted to see how it went. He ended up taking over from the previous lead, Gregory Whitney, who had a meeting to attend, after docking, thinking it would be smooth sailing from there. But soon, a caution warning lit up.

"We had two messages — just two lines of code — saying that something was wrong," Scoville said.

After initially thinking the message could perhaps be a mistake, he told The New York Times, he soon realized that it was not and that Nauka was not only firing its thrusters, but that it was trying to actually pull away from the space station that it had just docked with. And he was soon told that the module could only receive direct commands from a ground station in Russia, which the space station wouldn't pass over for over an hour.

The crew, working together with ground teams, helped to counteract Nauka's thrusters by counter-firing thrusters on the Russian module Zvezda and Progress cargo ship. Additionally, 15 minutes after starting to fire, Nauka's thrusters stopped, though Scoville said he didn't know why the thrusters did so.

But this combined series of events and counteractive measures allowed the team to get the station to stop moving and return to its correct position.

"After doing that back flip one-and-a-half times around, it stopped and then went back the other way," Scoville told the New York Times.

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