Astronomers have created the largest computer model from the Big Bang to the present day to explore how the Universe has evolved. The project, called Flamingo, was able to take into account all the components of the Universe – ordinary matter, dark matter and dark energy in accordance with the laws of physics.
As the simulation progresses, detailed virtual galaxies and galaxy clusters appear. And instruments that observe the real Universe, such as the Euclid Space Telescope and the James Webb Telescope, collect data on galaxies, quasars and stars. Scientists have up-to-date and detailed data from powerful telescopes. And some of these data, at first glance, do not correspond to theoretical models. Researchers hope that the simulations will help them compare the virtual Universe with observations of the real Universe obtained using new advanced telescopes.
This could help scientists understand whether the standard model of cosmology, currently used to explain the evolution of the universe, is a good description of reality.
Flamingo study and project co-author Professor Carlos Frenck, Professor of Fundamental Physics at the Institute for Computational Cosmology at Durham University, said: “Cosmology is at a crossroads. We have amazing new data from powerful telescopes, some of which, at first glance, don’t match our theoretical expectations. Either the standard model of cosmology is wrong, or there are subtle inconsistencies in the observational data. Our super-accurate simulations of the universe may give us the answer.”
Past simulations that have been compared to observations of the universe have focused on dark matter, considered a key component of the structure of the entire universe. However, astronomers now say that efforts to understand the evolution of the universe must take into account the influence of ordinary baryonic matter, which makes up just 16% of the total matter in the universe, and neutrinos, tiny particles that rarely interact with ordinary matter.
The project’s principal investigator, Professor Joop Schaie from Leiden University, said: “Although dark matter is the dominant contributor to gravity, the contribution from ordinary matter cannot be ignored, as this may account for the discrepancies between models and observations.”
The researchers have spent the last two years running simulations on a powerful supercomputer in Durham. The simulations took more than 50 million processor hours on the Cosmology Machine (COSMA 8) supercomputer, which is located at the Institute for Computational Cosmology at Durham University in the UK. The researchers implemented the simulation in the SWIFT language, which helps distribute the computational load across thousands of CPUs, up to 65,000.
Tiny Banana Pi BPI-M4 Zero computer unveiled – an improved alternative to the Raspberry Pi Zero
The Banana Pi BPI-M4 Zero is a tiny computer board or single board computer with a quad-core ARM Cortex-A53 processor, 2GB LPDDR4 memory, 8GB eMMC flash memory, and a familiar form factor: it’s about the same size and shape as a Raspberry Pi Zero and even features a 40-pin Raspberry Pi compatible header.
The latest version of Raspberry Pi Zero has micro USB ports, BPI-M4 Zero has USB-C ports. Although both single board computers are equipped with Cortex-A53 processors, the Raspberry Pi 2 Zero W is equipped with a Broadcom BCM2710A chip clocked at 1 GHz, and the BPI-M4 Zero is equipped with an Allwinner H618 processor clocked at 1.5 GHz. The same chip is used in another Raspberry Pi Zero clone – Orange Pi Zero 2W.
Banana Pi BPI-M4 Zero received the following ports and connectors:
- 1 x mini HDMI 2.0a;
- 1 USB Type-C OTG port supporting 5V/3A input voltage;
- 1 x USB Type C;
- 1 microSD card reader;
- 1 24-pin FPC (1 USB 2.0, 1 Ethernet 100 Mbps, 1 IR);
- 1 x 40-pin connector;
- 1 Wi-Fi 5 and BT 4.2 module.
The board has two status LEDs, a wireless antenna, and two hardware keys, including a reset button.
The Banana Pi BPI-M4 Zero measures 65 x 30 mm. The price has not yet been announced.
Fake Safari and Chrome updates for Mac contain malware that steals passwords and card data
New malware called Atomic macOS Stealer (AMOS), released in early 2023, targets Apple users. Using the latest version of malware, attackers inject AMOS into fake updates for Safari and Chrome browsers for Mac.
AMOS is a powerful piece of malware that, once installed on a victim’s computer, can steal iCloud Keychain passwords, credit card numbers, crypto wallets, files, and more.
After discovering the first AMOS threats in March and April, security researchers at Malwarebytes discovered in September that Mac users were installing AMOS through fake Google search ads.
Now, Malwarebytes reports that fake Safari and Chrome browser updates are now being used to install AMOS on victims’ Macs. The new AMOS approach is called ClearFake. Attackers use hacked websites to deliver fake Safari and Chrome updates.
Users are advised not to download software from untrusted or unknown sources – update Safari directly from your Mac in System Preferences or Chrome directly from Google or the Chrome app.
Microsoft introduced the Windows App for Mac, iPhone, Windows PC and other devices
At Ignite 2023, Microsoft announced a new Windows App for Windows devices, macOS, iOS and other platforms.
As the developers note, with its help, users can remotely connect to Windows 365, Azure Virtual Desktop, Microsoft Dev Box or a personal remote desktop computer, wherever they are. A preview version of the Windows App is available for download from the Microsoft Store as well as Apple’s TestFlight program.
Microsoft says the Windows App is essentially a one-stop place to manage all your connected devices and apps.
At the top of the interface is a list of pinned devices, which in this case is a cloud PC with Windows 365, a Microsoft Dev Box, and an Azure Virtual Desktop (AVD). And then there is a list of pinned applications.
It is possible to navigate through the menus of other devices and applications, as well as the ability to expand lists. There is also a Settings option. Everything looks pretty simple and easy to navigate.
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