Neural Dust: Tiny Wireless Sensors That Monitor Brain and Body

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Neural Dust: Tiny Sensors Revolutionizing Brain and Body Monitoring Imagine microscopic sensors, small enough to float through your bloodstream, silently monitoring your nerves, muscles, or brain activity in real time. These aren't science fiction—they're real, and they are called Neural Dust . This groundbreaking technology is one of the most promising advancements in bioelectronics and biomedical engineering. But what exactly is neural dust, how does it work, and what are its implications for the future of healthcare and neuroscience? 🔍 What is Neural Dust? Neural dust refers to millimeter-sized, wireless sensors that can be implanted into the human body, especially the nervous system and brain. These tiny devices can monitor electrical activity from nerves and muscles and communicate this data wirelessly to external devices. Unlike traditional implants that require batteries or large hardware, neural dust is small, self-powered, and minimally invasive. First introdu...
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Why Does Time Feel Faster As We Age? | Science Made Simple

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Why Does Time Feel Faster As We Age?

As children, time seemed to stretch forever — summers felt endless and a single school year was a lifetime. But now, as adults, months slip by in the blink of an eye. Why does this happen? Science has a few fascinating answers.

🧩 Proportional Theory of Time

When you’re five years old, one year is 20% of your entire life. But at 50, that same year is just 2%. This shrinking ratio makes time feel shorter as we age — it’s a psychological illusion based on proportion.

🧠 Less Novelty, Fewer Memories

The brain pays more attention to new experiences, forming vivid memories. Childhood is packed with firsts — first bike ride, first day of school — while adult life is more routine. The fewer memorable moments we have, the more compressed time feels in hindsight.

🔁 Repetition Makes Time Blur

Daily repetition — like the same commute or office work — causes our brain to store fewer unique memories. When looking back, long stretches of repetitive days can feel like they flew by because not much stands out.

⚙️ Brain Chemistry and Processing

As we age, changes in brain chemistry and slower neuronal processing may also play a role. Less dopamine and reduced sensory input can alter how we perceive the passing of time.

In short: Time isn't moving faster — your brain is processing it differently. The key to slowing it down? Keep learning, explore new things, and live mindfully.

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