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Researchers have created a new fiber that surpasses Kevlar in bullet-stopping power while being much thinner. Made by aligning advanced aramid chains with carbon nanotubes, the material absorbs over twice as much energy as previous record-holding fibers. The breakthrough could lead to lighter, stronger armor for military, law enforcement and personal safety uses.

WhatsApp is said to be developing a new lockdown-style mode to enhance security for users at risk of targeted cyberattacks, according to feature tracker WABetaInfo. Spotted in the latest WhatsApp beta for Android 2.25.33.4 update on the Google Play Store, the feature will reportedly let users apply stricter privacy settings with one toggle. It includes protections like IP address masking during calls, blocking media from unknown senders, disabling link previews, and enabling two-step verification, offering stronger, simplified protection for high-risk users.

Students who are looking for a new laptop or to upgrade their current device can check out the list of the best laptops under Rs. 50,000, which includes Asus Vivobook 14, Moto Book 60, Infinix Inbook Air Pro+, Acer Chromebook Plus 15, and Honor MagicBook X16 (2024). These laptops are capable of performing most tasks on a budget. The Asus Vivobook 14 (X1407QA), which features a 14-inch full-HD+ (1,920×1,200 pixels) IPS screen with a 16:10 aspect ratio and a 60Hz refresh rate, is powered by Qualcomm’s octa core Snapdragon X (X1-26-100) processor.

Samsung Galaxy XR could be available in more global markets next year. The company is reportedly planning to launch the device in Germany, France, Canada, and the UK in 2026. The company’s first extended reality (XR) headset could be launched in more regions based on production capacity and the growth of XR apps and experiences.

A new study shows dark matter falls into cosmic gravity wells much like ordinary matter, narrowing one of astronomy’s biggest mysteries. Researchers say any unknown force acting on dark matter must be very weak, though future missions could detect smaller effects. The findings bring scientists closer to understanding how the universe’s unseen mass behaves.

The interstellar comet 3I/ATLAS has brightened far faster than expected during its solar approach, surprising researchers. Scientists say the unusual surge may point to rare chemical traits from another star system. Further observations in 2025 may reveal why this cosmic visitor behaves differently from typical comets in our solar neighbourhood.