1. Amazon Unveils New Devices at September 2025 Event

Amazon’s major September 2025 event showcased a broad lineup of new hardware and features. Highlights include the debut of the Echo Dot Max with enhanced bass and a sleek design, alongside a compact, improved Echo Studio packed with spatial audio and Dolby Atmos. The Kindle Scribe series now includes a first-ever color model, targeting both readers and note-takers. Additionally, Amazon introduced its first 4K video doorbells, featuring AI-driven Retinal Vision software, and a new Search Party feature to locate lost pets. Fire TV updates include new 2-Series, 4-Series, and Omni QLED models, with the Omni boasting a performance leap and new voice features. A budget-friendly Fire TV 4K Stick Select, priced under $40, also launched. On the home security front, two new Blink cameras were unveiled, along with the Blink Arc, a dual-lens 180-degree cam. Lastly, Amazon confirmed wider device integration for Alexa+, which remains in early access but is free for Prime members TechRadar.

2. NASA’s Asteroid 2025 SA3 Makes Close Approach

On September 30, 2025, NASA confirmed that asteroid 2025 SA3, approximately 54 feet (16.5 meters) in diameter, about the size of a house, is set to make a close approach to Earth. Traveling at a speed of 18,073 mph (29,080 km/h), this fast-moving space rock has drawn significant attention from astronomers and the public alike. While it is not expected to impact Earth, the asteroid’s close passage is being closely monitored by NASA and other space agencies as part of ongoing planetary defense efforts The Times of India.

Science & Tech Moves

3. Experimental Computer Chip Reuses Energy

A first-of-its-kind test shows that reusing energy within a computer chip can work, thanks to two techy tricks. This advancement could lead to more energy-efficient computing systems, reducing the environmental impact of data centers and electronic devices Science News.

4. Scientists Grow Diamonds with an Electron Beam

Chemists at the University of Tokyo have achieved a 20-year dream by growing diamonds using an electron beam. This breakthrough could lead to new methods of diamond production, with applications in electronics, optics, and other high-tech industries SciTechDaily.

Tech & Science Events This Week

5. Meta Connect 2025 Kicks Off

September 29, 2025, marked the official kickoff of Meta Connect 2025, a two-day extravaganza that blended AR wizardry with AI’s conversational flair to paint a vivid picture of “the next social layer.” Amid the glitz, sobering undercurrents emerged: California’s landmark AI safety legislation, the FTC’s escalated crackdown on deceptive AI claims, and ripples from OpenAI’s internal shakeups Future.

Science & Tech Nuggets 

6. Quantum Chips Ready for the Real World

Diraq has shown that its silicon-based quantum chips can maintain coherence and perform computations in real-world conditions. This advancement brings quantum computing closer to practical applications in fields like cryptography, materials science, and complex system simulations ScienceDaily.

7. AI Detects Harmful Health Side Effects on Social Media

Researchers have developed artificial intelligence systems capable of identifying harmful health side effects discussed on social media platforms. This technology could enhance pharmacovigilance efforts by providing real-time insights into public health concerns Science News.

That’s a wrap for September 22–28, 2025. From groundbreaking device launches to advancements in quantum computing, this week underscored the accelerating pace of innovation and the pressing need for thoughtful regulation. Stay curious, stay critical, and share this post if you found something useful.