When Deepinder Goyal appeared on Raj Shamani’s YouTube podcast, nobody expected the real star to be a tiny metal device stuck to his head. Yes, people tuned in for business advice and startup stories. But the small clip-like thing on his head? That’s what got everyone talking.
Social media went crazy. Someone said it looked like chewing gum. Another person joked it was an “external hard drive for his brain.” Some even thought he was charging his head wirelessly. The memes started flying within minutes. So what was it really? Let’s break it down.
What’s This Thing On Deepinder Goyal’s Head?
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The gadget is called the Temple Device. It’s a brain monitor that tracks the amount of blood flowing to your brain. Pretty straightforward, right? But here’s why it matters. Blood flow to your brain isn’t just some random health metric. It actually tells you a lot about how your brain is doing and how fast you’re aging. As we get older, blood circulation changes. These changes can mess with your memory, thinking, and overall brain function.
The Temple device measures these blood flow changes in real time. Scientists believe this data can help them figure out what’s happening in your brain as you age. It is not a fitness band or a smartwatch. This is pure research equipment.
How Does It Work?
The Temple sits on your temple (clever name, huh?) and monitors cerebral blood flow. That’s just fancy talk for tracking how much blood your brain gets at any moment.
According to reports, blood flow to the brain is considered an important sign of brain health and aging. By tracking this data, researchers can better understand how the brain changes as we grow older.
Think of it this way. Your brain needs constant blood flow to function properly. Any drop or change in that flow can signal problems or show how aging affects your brain. The Temple device captures all this information continuously.
The Big Idea: Gravity Aging Hypothesis
Deepinder Goyal isn’t wearing this gadget just for fun. He’s testing something he calls the Gravity Aging Hypothesis. While we don’t have all the details, it seems to focus on how gravity and blood flow affect aging in the brain.
The Temple device helps him collect data to test this idea. It’s serious research, not some tech bro experiment.
Continue Research On His Personal Project: Temple Device
Here’s where things get interesting. Temple is part of Continue Research, which is Deepinder Goyal’s own research project. He’s funding the whole thing himself.
How much has he spent? Around $25 million. That’s roughly Rs 225 crore from his own pocket. This has nothing to do with Zomato. It’s not a company product. The money isn’t coming from investors or Zomato’s budget.
The device is still experimental. You can’t buy it. It’s not on Amazon. It’s being tested and improved.
Deepinder Goyal has spent over two years on this research. He’s talked to doctors and scientists from different countries. According to reports, no major scientific objections have been raised so far. That suggests the research has some solid backing.
Why Would A Food Delivery CEO Do This?
Good question, right? Why is this guy, who runs India’s biggest food delivery app, spending hundreds of crores on brain research? Because he can, and he’s interested.
Rich people do all kinds of things with their money. Some buy sports teams, some collect art. Goyal decided to fund research into human aging and brain health. It’s a personal passion project, I guess.
Many tech founders eventually get into health and longevity research. What makes this different is that Goyal is literally wearing his research devices in public while doing regular business stuff.
Social media exploded with jokes and theories.
- That’s how he tracks all the Blinkit deliveries.
- External SSD for restaurant data.
- He’s downloading customer reviews directly.
- Wireless brain charging station.
- That’s where he stores all the discounts.
People got creative. But all these jokes did something useful; they got everyone talking about brain health research.
Deepinder Goyal’s Net Worth
Let’s talk numbers. As of July 2025, Deepinder Goyal’s net worth is about $1.9 billion. That’s around Rs 15,820 crore.
Most of this wealth comes from his stake in Zomato. The company went from listing restaurant menus to becoming a massive food delivery and quick commerce giant. Goyal’s fortune grew right along with it.
With this kind of money, dropping $25 million on personal research makes sense. Even if it never turns into a product, he can afford to explore what interests him.
Can You Buy One?
Nope. Not yet. Maybe someday.
Temple is purely experimental. It’s a research tool, not a product. Before it could ever be sold to regular people, it would need years of testing, validation, clinical trials, and regulatory approvals.
Right now, it’s just an interesting peek into cutting-edge research being done by one of India’s most successful entrepreneurs.
Conclusion
This is genuinely fascinating. While most people with Rs 225 crore to spare would splurge on luxury cars or real estate, Deepinder Goyal chose to invest in serious scientific research on brain health and aging. That decision alone makes this story stand out.
What truly amplifies its impact is that he didn’t hide it behind closed doors. He wore the device openly on a popular podcast, sparking curiosity, memes, and meaningful conversations all at once. Even the jokes played their part by pulling public attention toward brain research and longevity. In today’s noisy internet culture, that’s a rare and impressive outcome.
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