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Why Does AI Hallucinate? A Peek Under the Hood of Language Models
AI can answer almost any question in just a few seconds. However, sometimes it confidently states information that is not true. Why does this happen and what are so-called AI hallucinations? In this article, we'll explain how large language models work, why they sometimes create false answers and how developers are gradually trying to mitigate this issue.
What is a CDN and why is internet content copied worldwide
Behind every loaded video, photo, or webpage is a technology called CDN. It is used by streaming services, social networks, and regular websites, yet many people have never heard of it. In this article, we will explain what this abbreviation means, how it works, why internet content is stored in various locations around the world, and why today's internet can hardly do without it.
On this site you can test your internet connection for free.
We recommend you to lower or stop all other internet activities during the test. In other cases the test results are less precise.
Outputs of this test:
- download broadband speed test - what speed are data from the testing server downloaded by
- upload speed - what speed are data to the testing server uploaded by
- web ping - the time needed to send and receive a small amount of data, quite similar to regular ping, but tested by a TCP packet through the HTTP service
How do Internet speed measurements work?
From the user’s perspective, everything is simple. In the web browser, click on the measurement button and wait. Before starting the speed test, it is important to deactivate all tasks, applications and devices that could use the capacity to connect to the Internet. The results would be affected by that and you would not find out anything, or the conclusions would not have the required notification value.
The technical solution and the background of the speed test itself are complex, but to explain it in a few words and very simplistically, the test simulates a situation in which you download or upload data. The measured values are calculated depending on the speed of these transmission. You can test the speed of up to 30 test servers located in geographically different locations.
Last 10 tests
Average for United Kingdom
Downloading
Uploading
Where does the internet really flow? Hair-thin fibers connecting continents
The idea that the internet flows mainly through the air is a myth. The entire technological world relies on heavy hardware buried in the sand of the seas. In the article, we will examine the technology of submarine cables. You will learn how optical fibers work, what laying them from ships entails, and how the depths of the oceans have become a geopolitical battlefield.
Why Subscription Fatigue Troubles Us and How to Stop Money Disappearing in 4 Steps
How much money leaves your account each month for online services? The recurring payment model often exhausts people because numerous small amounts gradually add up to unexpectedly high totals. The text relies on fresh data from 2026, reveals the vast difference between our estimates and reality, and offers four specific steps to help you better control your expenses.
Weak Wi-Fi? Internet through sockets improves stability without drilling
Do you have a 'dead zone' on a floor or in a bedroom where Wi-Fi doesn't reach, and drilling into walls is not an option? Learn how to use the electrical wiring already in your walls to transmit internet over the electrical network. In this article, we'll show you how a modern powerline adapter works, why it can handle 4K streaming and gaming, and what to watch out for with older aluminum wiring.