Mateusz Chrobok's new video delves into the controversies surrounding Newag's Impuls trains, focusing on service issues and unethical practices. Currently, the material has gained significant popularity, accumulating 191437 views and 8183 likes. The Dragon Sector team discovered hidden mechanisms in the trains' software, raising questions about the ethics of manufacturers and competition in the railway sector.

In his video, the author discusses the topic of competition, which is an integral part of human nature. He points out the negative consequences it can bring, such as unhealthy comparisons on social media and sensationalism in journalism. He emphasizes the need to change our approach to competition, particularly regarding the development of artificial intelligence, to avoid Moloch's trap and ensure a future for all humanity.

The Coding Chef channel discusses application scaling, particularly in relation to databases. The author explains the difference between vertical and horizontal scaling and the importance of cloud computing. It also includes information on load balancers, caching, and CDNs. Additionally, it covers data transmission through HTTP and HTTPS, as well as principles of API and microservices. Current statistics show 30,956 views and 1,863 likes for the video, showcasing its relevance among programmers.

In Posy's video, the author shows the process of motion extraction from a video by duplicating, inverting, and layering translucent footage. This allows for the revealing of subtle movements and time changes, such as the setting sun or moving leaves. Posy encourages viewers to experiment with different visual effects, emphasizing how simple enhancements can enrich ordinary footage. The video has gathered 1,245,670 views and 130,207 likes.

Jim's Garage discusses the latest in VPN technology, focusing on HeadScale and its connection to Tailscale. He presents the benefits of using HeadScale and how to configure this technology in a home lab. Friendly instructions and practical examples make this video an excellent resource for anyone looking to build their own VPN using these solutions.

The video on Hyperplexed demonstrates how to create a particle effect that follows mouse movement. The author describes their process step by step, from adding dots on the screen to animating stars. With a change in approach, the issue with disappearing stars is effectively resolved. This enhances the visual quality and attractiveness of the presentation, turning it into an engaging, interactive effect featuring various colors and animations. At the time of writing, the video has received 682,312 views and 50,537 likes.

In the Valve channel video, Mike Harrington discusses the creation of Half-Life, from concept and gathering reference materials to the technical challenges the team faced. After leaving Microsoft, Harrington and Gabe Newell decided to create their own game studio. The remarkable interactivity of the game world and innovative technological solutions contributed to Half-Life's success. At the time of this article, the video has over 6 million views and 272 thousand likes.

In the 56th episode of the Niebezpiecznik podcast, the controversial topic of internet surveillance is discussed. Proposals from the European Commission regarding automatic detection of pedophiliac content raise privacy concerns. The hosts reflect on the difficulties of implementing such mechanisms and past similar efforts that were ineffective. Concluding, Kuba and Piotrek encourage support for the Trace on Object initiative, while the episode has 23,243 views and 765 likes at the time of writing.

Wiktor Niedzicki discusses cybersecurity in his 'CiekaWizja' program with expert Szymon Szczęsniak. They emphasize the importance of using complex passwords and avoiding internet scams, especially for older individuals. The discussion highlights the value of password managers and educating close ones about data protection. The program has gained significant popularity, with 15,649 views at the time of this article's publication.

BK Binary tests the use of YouTube as a data storage medium by encoding files within videos. While the theory is intriguing, practical limitations due to video compression make this concept more of an experiment than a viable solution. The video has already amassed 777661 views and 39519 likes, reflecting its popularity. The author encourages viewing the code on GitHub and sharing suggestions for project improvement.