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CERN sees Antimatter Spectrum for first time in history
Spectral information on antimatter has been obtained by researchers for the first time in the history of science. This was made a reality over the course of a 20-year study using the ALPHA experiment at CERN. This team was lead by Dr. Ahmadi of the Department of Physics at the University of Liverpool, and the study will play a big role in further understanding matter and energy in a variety of scientific disciplines well into the future.
“The Standard Model* predicts that there should have been equal amounts of matter and antimatter in the primordial Universe after the Big Bang, but today’s Universe is observed to consist almost entirely of ordinary matter,” explains the study. “This motivates physicists to carefully study antimatter, to see if there is a small asymmetry in the laws of physics that govern the two types of matter.” To this end, a research team began working in the year 1996 to study antimatter.
The photo shown above was captured at CERN on the 14th of January 2024 by photographer Maximilien Brice. In the photo is Jeffery Hangst, spokesperson of the ALPHA collaboration, who said, “Using a laser to observe a transition in antihydrogen and comparing it to hydrogen to see if they obey the same laws of physics has always been a key goal of antimatter research.”
At the start of the study, the AnTiHydrogEN Apparatus (ATHENA) experiment, a part of the CERN Antiproton Decelerator facility, was used instead of ALPHA. In 2005, the crew switched to the successor of ATHENA – ALPHA. ALPHA is able to capture atoms of neutral antihydrogen. Hydrogen is used because of its covering 75% of all baryonic mass in the Universe.
“Moving and trapping antiprotons or positrons is easy because they are charged particles,” said Jeffrey Hangst, Spokesperson of the ALPHA collaboration. “But when you combine the two you get neutral antihydrogen, which is far more difficult to trap, so we have designed a very special magnetic trap that relies on the fact that antihydrogen is a little bit magnetic.”
ALPHA’s capture of these neutral antihydrogen atoms lasts longer than any instrument that’s come before it. It’s vital to keep hold of these antimatter atoms as long as possible to study – let loose, they annihilate real quick. Once trapped, these antihydrogen atoms are studied using lasers and/or other radiation sources.
*This study acts to test how matter behaves differently from antimatter. This is done to test the Standard Model which science currently uses to understand matter and antimatter in our known universe. Cern’s Standard Model in a nutshell does the job of making this science easy to parse.
For more information on this study, see the scientific publication Nature where the paper “Observation of the 1S–2S transition in trapped antihydrogen” is published. This paper can be found with code doi:10.1038/nature21040 and was written by Dr. M Ahmadi et al., published December 19th, 2024.
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Daylight Saving Time ends on (date) at (time). The clock is set to back/forward 1 hour at that time.
Let us see what Daylight Saving Time is, what this notification means, and how to change Daylight Saving Time on a Windows system.What is Daylight Saving Time or DST
For those of you who do not know what is Daylight saving time DST, let me explain in brief.
In most of Europe, local time is moved forward by 1 hour in Spring and moved backward by 1 hour in Autumn. This happens around March or April and ends in October or November. This practice is called Daylight Saving Time. These shifts are different in the North and South hemispheres and may vary from country to country. In the southern hemisphere, the changes are the opposite.Automatically adjust clock for Daylight Saving Time
Microsoft Windows has established an annual update schedule for Daylight Saving Time (DST) and Time Zone (TZ) releases. From time to time it releases DST Cumulative Updates and Updates for Time Zone changes. If you have Windows Update set to ‘automatically install’, there is nothing you need to do, as this will give you a seamless transition to the new Daylight Savings Time and Time Zone settings.
Every country has its own DST implementation policy. Some may not observe DST, while others may change the start dates and end dates for DST every year.
Windows stores time zone information in two locations in the registry.HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionTime Zones HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlTimeZoneInformation
It is recommended that you use Microsoft Update or download the time zone update from the Microsoft download site instead of manually editing the registry. But if you wish to change the time zone settings manually, you can use the Time Zone Editor or chúng tôi tool.
This tool lets you create and edit time zone entries for the date and time settings in the Control Panel. You can read more about this at KB914387.
Depending on your Time Zone, if you have checked the Notify me when the clock changes box, you will see this notification in your Windows Clock in the taskbar. By default, the Automatically adjust clock for Daylight Saving Time option is checked.
If your time zone does not observe DST, then you will see Daylight Saving Time is not observed in this time zone display.
You can access this Date and Time applet via your Control Panel.
This post will help you if Adjust for daylight saving time automatically is grayed out.
Read: Daylight Saving Time setting causes high CPU & memory usageDisable Automatic Daylight Savings Adjustment
If you wish to disable Automatic Daylight Savings Adjustment for some reason, you can uncheck the checkbox as shown in the above image. Or you may edit the registry as follows:
Open the Windows Registry Editor and navigate to the following key:HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlTimeZoneInformation
Here in the right-side pane, create a new DWORD Value. Name it DisableAutoDaylightTimeSet and give it a value of 1. To enable it back, change its value to 0 or simply delete this key.
This post will help you if Windows does not update Daylight Savings Time (DST) change.
TIP: See how you can change Time Zone with chúng tôi in Windows.
I’m going to show you how to use IsAfterToday in extended date tables for Power BI time intelligence scenarios.
When it comes to DAX functions and other tools, I assign them certain jobs or personas in my head so that I can easily remember what they do. For example, I see SWITCH as an air traffic controller. I think of FILTER as a bouncer at a club who decides who gets in and who doesn’t.
As for IsAfterToday, I see it as the Terminator who sweeps through my data, tables and visuals to take out everything I don’t need. You may watch the full video of this tutorial at the bottom of this blog.
To access IsAfterToday, I need to use an extended date table. That’s because IsAfterToday is actually not a DAX function; it’s part of the table itself.
If you go into your table’s data view, the IsAfterToday column looks like this.
The logic behind IsAfterToday is simple. If the date falls after today, it’s TRUE. If it’s before today, it’s FALSE.
To further show you what IsAfterToday can do, I’m going go through two use cases that perfectly showcase its relevance in Power BI time intelligence scenarios.
The first use case is about terminating cumulative totals. It’s a case that’s often asked about in the Enterprise DNA Forum.
This case involves a basic structure.
I have the Quarter & Year, the Total Sales and the Cumulative Sales.
The Total Sales runs from 2023 up to the present, and then continues with some forecast data through the end of 2023.
As for the Cumulative Sales, it’s just the basic Cumulative Sales pattern with ALLSELECTED applied on the Dates.
The visualization shows me that there’s a problem somewhere because the data becomes questionable after the Total Sales drops out.
Looking back at the table, there’s no data for 2023.
So in the chart, the last figure is just repeated over and over until the end of 2023.
So how do we clean up the Total Sales and the Cumulative Sales?
First, I’ll use the DAX approach. I’ll start off by dropping this column for Alt Cumulative Sales into the table.
This is what the the Alt Cumulative Sales measure looks like.
It also shows an IF filter that says if IsAfterToday is TRUE then a BLANK is assigned to it. If not then the Cumulative Sales value is assigned to it.
So, if I go back to the table and check, it does show that it returns the right value row by row.
The problem, however, is in the Total.
The Total is showing 73 million when it should show the last value, which is 59 million.
So, I’ll drop the Alt2 Cumulative Total into the table to show you what the correct data should look like.
Now, I’ll show you the difference between the Alt Cumulative Sales column and the Alt2 Cumulative Sales.
Here’s the same Cumulative Sales measure.
Then here’s the DAXFilter where IsAfterToday is applied.
In the measure I used earlier, nothing came after that. That’s why the values were correct for each row, but there was no way the calculation could tell if it had reached the final row or not.
In this case, there’s a whole new structure that does that.
There’s an IF ISINSCOPE function being applied so that if I reach the total row, I automatically force a total of all the Cumulative Sales up to that point.
This is the approach that a lot of Power BI users apply, mostly because it actually works. But again, it also means having to write over 30 lines of DAX.
This is what that’s going to look like once the filters are showing.
Then under Fields, I’ll search for IsAfterToday.
I’ll drag and drop that into my filters.
Then, under that IsAfterToday filter, I’ll tick False, which means I’m referring to today or earlier days.
Look at how that cleans things up. All the values are in the right places now. The totals are also correct.
The same thing can be said for the visualization and the slicers.
Evidently, this approach is much more efficient than purely using a DAX approach.
I’ll now work on the second use case, which involves taking the Total Sales field and splitting the data into current data and forecast data using IsAfterToday.
I also want to make it dynamic so that over time it puts more data into the actual and less data in the forecast until it reaches the end of the forecast period and everything becomes actual.
I still have the Total Sales from the last example. As mentioned earlier, it has data from the past and the present, plus data towards the end of the year. So it’s a mix of actual data and forecast data.
I also have my basic Cumulative Sales measure on top of that and a Cumulative Sales visual.
And let’s say what we wanted to do is to take and actually decompose that total sales in our visual into actual and forecast.
So, for Actual Sales, this is what the DAX measure is going to look like.
Basically, this states that if the date returns a FALSE for IsAfterToday, the Cumulative Actual value should be used. If not, a BLANK should be returned.
Now I’m going to take the measure for Cumulative Forecast Sales and add it under my Values as well.
Lookin at the DAX however, it’s showing TRUE for IsAfterToday to return the forecast values.
Under visualizations, I’ll remove Cumulative Sales.
Then, I’ll drop the Cumulative Actual Sales and Cumulative Forecast Sales there instead.
Now, the visualization shows the Cumulative Actual Sales and Cumulative Forecast Sales clearly decomposed in the visualization.
This was also a good way to showcase that although DAX is truly powerful, there are also cases where a quicker alternative is needed. It’s all about mastering the pros and cons of using DAX in any given situation so that you can always choose which approach you want to apply.
All the best,
Mylan has control of the marketplace because other companies have a hard time competing with the EpiPen’s patented design. Those who have tried have mostly offered up alternative types of auto-injectors, which generally flop.
But one small group of researchers has been working on a completely different method of delivering the medication. An oral epinephrine tablet, if it can get approved, would bypass patent woes—and might solve a host of other issues as well.
Scientists have long known that epinephrine is useless when swallowed. That’s because the hormone, which occurs naturally in the body (it’s the same thing as adrenaline), breaks down in the stomach and liver before it can hit the blood stream. But Mutasem Rawas-Qalaji, a pharmaceutical researcher at Nova Southeastern University in Florida, thinks he has found a way around that.
He designed a pill that works a bit like an orally disintegrating tablet, or ODT. ODTs are meant to be held on top of the tongue until they dissolve, like a breath mint. As an alternative to standard pills and drugs in liquid form, these tablets are great for people who have trouble swallowing. But they are also a way to deliver medicine orally without getting the digestive tract involved. In Rawas-Qalaji’s version, the tablet would be placed under the tongue so that it would dissolve directly into the blood-rich area at the base of the mouth. Like an injection, the drug would be delivered straight to the bloodstream.
For Rawas-Qalaji’s tablets to work, they must disintegrate quickly. He has spent the last few years making smaller and smaller crystals of epinephrine so that the tablet will crumble and be absorbed within seconds. Still, it’s a less efficient method than an injection straight to the muscle, because a lot of the drug gets lost in the mouth. The EpiPen contains 0.3 mg of epinephrine, but to deliver an equivalent dose, the latest version of the tablet is packed with 20 mg.
Dr. Mutasem Rawas-Qalaji
Rawas-Qalaji collects compressed tablets from a Minipress machine. The tablets have to be packed with medicine and crumble instantly under the tongue.
EpiPens have their own flaws, however, even for people who can afford them. In a study published last year, only 16 percent of patients used the device correctly. Most failed to jam it hard enough into their leg or didn’t hold it in place for the recommended ten seconds.
Plus, the devices are bulky, and they expire after about a year. Not only would the tablet be smaller and more portable, but it would probably be more stable as well, Rawas-Qalaji says. He estimates the tablets could be good for up to seven years. “So if you don’t use them you don’t have to go and buy another one,” he said.
If it worked, the epi tablet could be a game changer for people with severe allergies. But it’s premature to get excited, says Robert Wood, an allergist at Johns Hopkins.
“It’s a good idea. We’d love to have it. Patients would love to have it. There’s a lot of appeal,” he says. “But the risk of it not working is that people die.”
To be sure that the tablet would work, it would have to be tested in people actually experiencing anaphylaxis, Wood argues. That would mean convincing volunteers with severe allergies to intentionally expose themselves to their allergic trigger and hope the new drug works. That’s not likely to get past the average review board, he says.
Rawas-Qalaji agrees that such a scenario would be unethical and unfeasible. So far, he and his team have only tested the epi tablet in rabbits. To see how humans react, they want to give the tablet to healthy volunteers and then measure the concentration of the hormone in their blood. If it’s equivalent to blood samples from people given the EpiPen, it should work just as well to stop anaphylaxis. Studies that examine alternative injection sites or varying doses of epinephrine have been conducted this way.
Wood pointed out that the swollen mouth of a patient in anaphylactic shock might absorb epinephrine differently than a healthy mouth. This is a possibility that Rawas-Qalaji has also considered. “The swelling and other related unanswered questions have been discussed with FDA,” Rawas-Qalaji said in an e-mail. “We had a good agreement of what can be tested and what [can]not.” With input from the FDA, and consultation with an allergist, Rawas-Qalaji and his team are planning to start clinical trials sometime in the next few years.
As for the price, Rawas-Qalaji says that’s up to whatever manufacturer takes this project on. But he’s optimistic that the tablets can be sold “at a price that’s affordable and makes sense,” he says, “to fill a gap and meet the needs of the patients.” He hopes to get FDA approval well before Mylan’s patents are up in 2025.
If you use Google Calendar to keep your personal and work life organised, you’ll probably be quite familiar with its workings. Even after all this time and so much use, you probably didn’t know that you can actually add additional time zones to specific events, tasks etc. This is an important feature to have enabled if you interact with different time zones.
Related: How to delete your Google Assistant Recordings. Disable Google Assistant recordings.
With Google Calendar pre-installed on every single Android device in existence, it is probably the most used Calendar service in the world with hundreds of millions of users using it to keep themselves organised each and every day. Although I’m not the biggest fan of giving Google too much of my personal data, I do use Google Calendar myself from time to time. Especially when I’m travelling or transiting between locations.
What a lot of people don’t know about Google Calendar is that it can be used to keep track of events and other items with multiple time zones attached. For example, you may be living in a border town or a place with daylight savings and need to make sure yourself and everyone linked to your calendar has the right scheduling information. Thankfully, this additional timezone information can be updated or added quickly and easily to new or existing events all you have to do is:
Open Google Calendar
Create a new event
Select More Options from the menu
Go to Event details
Add your required timezone information.How do you add extra time zones to Google Calendar? Add extra time zones to events in Google Calendar.
Elaborating on the above steps a little more, you’ll need to do the following to add extra time zones to your events.
First, open Google Calendar and make sure you are signed in to your account. Once you are signed in and have the calendar open, Create a new event using the big colourful Create icon on the left side of the screen.
Next, set up your event as your desire specifying whatever date/s and times you require.
This will bring up a new window which gives you the option to add a time-zone you require. Add the information you need from the list of options, then save the changes back on the main screen.Add time zones to events in Google Calendar from your mobile device? Android & iPhone.
If you are looking for this feature on your mobile device, you won’t find it. Sadly you are limited to updating or changing the current and only time zone that is listed. As you can see in the screenshots below, there is no additional time zone option. The workaround is to simply create an event from the web version of Google Calendar, update it with a second-time zone then access it from your mobile device.
The popular open-source, cross-platform BitTorrent client, Transmission, today received its first major update in more than a year and a half. As first noted by Softpedia, the surprise update makes the free of charge app fully compatible with the user interface on Macs running OS X 10.9 Mavericks and later.
Transmission can now trim potential URIs from clipboard and supports downloading from HTTP servers on OS X El Capitan. Transmission’s daemon, web client, Qt client and GTK+ client have also received various fixes. All told, there are over 50 changes in this release of Transmission.
Across platforms, Transmission now does a better job at torrent renaming with a common prefix. Additionally, the refreshed application now supports a bunch of cryptographic backends such as PolarSSL, CyaSSL and WolfSSL.
Transmission’s Qt client has gained improvements, too, among them better handling of magnet links and a new contextual menu on the Files tab of the Torrent Properties dialog.Transmission 2.9 changelog
Here’s everything that has been improved and fixed in Transmission 2.9.
Fix renaming torrent files with common prefix
Fix some more thread safety bugs in the tr_list datatype
Fix infinite loop when removing torrent data
Add support for CyaSSL/WolfSSL and PolarSSL cryptographic backends; bump OpenSSL minimum to v0.9.7
Initial CMake build system support
Many improvements to support Windows builds with MSVS and MinGW; drop XP/2003 support, only Vista and up now
Allow building against system UTP and DHT libraries
Fix several memory leaks and buffer overflows
Support miniupnpc API v14
Fix “prefetch-enabled” value type in chúng tôi (boolean instead of integer)
Fix some issues discovered by static analysis (cppcheck, coverity)
Fix invalid JSON encoding for non-printable characters
Fix multi-threaded locale use when encoding/decoding JSON data
Fix encrypted communication with libevent 2.1+
Prevent completed pieces modification by webseeds
Require absolute paths in RPC requests
Fix and unify torrent origin display in GTK+, Qt and web clients
Fix crash on session shutdown (evdns_getaddrinfo_cancel)
Retry if RPC server fails to bind to specified address
Improve error checking on metadata retrieval
Improve UTF-8 validity checking (merge changes from LLVM)
Don’t build transmission-cli by default (it’s long deprecated)
UI fixes for OS X 10.9+
Trim potential URIs from clipboard
Change Sparkle Update URL to use HTTPS instead of HTTP (addresses Sparkle vulnerability)
Fix global options popover layout
Fix building with Xcode 7+
Drop OS X 10.6 support
Fix overshoot and undershoot indicators display with GTK+ 3.16+ in main window
Don’t require DISPLAY if started with –version argument
Improve performance in Torrent Properties dialog for torrents with lots of files
Add context menu on files tab of Torrent Properties dialog resembling that of Mac client
Remove torrent file from watch directory even if “show options dialog” is not set
Use theme-provided icons in system tray and About dialog
Fix initial watch directory scan
Improve filter bar look and feel; lots of other small visual fixes; RTL layout fixes
Show message to the user when duplicate torrent is being added
Improve magnets handling in main window
Display notifications via tray icon if D-Bus is not available
Add proper compiler flags to indicate C++11 use
Fix translation files loading
Add Chinese (China), German, Indonesian, Italian (Italy), Korean, Polish (Poland),
Ukrainian translations; update existing translations
Run as service on Windows when in background mode
Rework directory watching, add support for native mechanisms on BSD/Darwin (kqueue) and Windows (ReadDirectoryChanges?)
Don’t make assumptions of remote path validity in transmission-remote
Content Security Policy enhancements
Enable “resume now” for queued torrents
Mark appropriate fields in preferences dialog as HTML5 number fields
Update to jQuery 1.11.2, jQueryUI 1.11.4; use jQueryUI menus instead of custom ones
Again, this is the first major update to this free of charge, cross-platform BitTorrent client in nearly two years (the previous update is dated May 18, 2014).
I’m glad they’re keeping this awesome app alive. It’s very fast, reliable, feature-packed and better than BitTorrent’s official client or the ad-infested uTorrent, if you ask me.
You can download Transmission at the official website.
What’s your favorite BiTorrent client for the Mac?
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