P C Gupta

Good morning. Deepinder Goyal is a liar. It was always about the brain, even though he now claims it was not. His scam was caught in January 2026 after which he started calling out doctors rudely at that time also. He mentioned he will show the science of brain flow, Entropy assessment by the device at the time. A few months later, he showed screen shots of what he calls the device can measure, which others cannot, called Entropy - screen shots from his own team - which can be easily made using Claude. Still no working device based proof. Zero evidence of parameters measured to showcase Entropy. Fast forward 10 months later, November 2026, he is still making the same claims, no new evidence, no real data other than what his company wrote on the website. The company website (temple.com) still promotes the device for cognitive health, brain tracking and entropy. I and other clinical-scientists HAVE gone through everyy detail of science published on Temple here temple.com/science-and-resea… and none of it proves this device can measure what it claims. Yes, heart rate and blood flow to the scalp from the temporal artery. But nothing more - because there is no data. Temple is a beautiful scam, built over the years using influencer network, paid celebrity collaboration (obviously all of these will be denied) and a false marketing to convince people that this device does more than any other device. It does not do anything beyond the basics. This is a global scam and the government regulators must assess the claims made before this becomes a circus show for the West. Guys like MKBHD and Mrwhosetheboss who can really do work on this will rip it apart - so go give them the device and not your local chamcha influencers.

Goodmorning to you good people (not you Deepinder). Now that India has entered the commercial era of "scienceploitation", I would like to educate and inform the people on this topic, using one of Temple device's claims as an example. This is long, but stay with me, you will really benefit. But first, what is Scienceploitation? It is a marketing and communication tactic where brands, influencers, or media outlets borrow or manipulate language from legitimate, emerging areas of science (such as stem cell research, the microbiome, or epigenetics) to promote unproven health, wellness, or beauty products and services. The term was coined by @CaulfieldTim (I am honored to have known him and written an editorial with him in the BMJ), a professor of health law and policy at the University of Alberta. Temple Device is your first boss battle against scienceploitation. Let me explain this using their own biggest claim - ENTROPY. Temple claims it measures Entropy. What is entropy? In lay terms, entropy is a measure of how spread out, mixed up, or disorganized things naturally become over time. In human health, entropy can be a measure of disorder, wear and tear, and loss of organization in your body's cells, tissues, and organ systems. Low Entropy = High Health (Order): A young, healthy body is in a state of low entropy. Your cells are communicating well, your DNA is intact, your proteins are folded properly, and your heartbeats have a smooth, adaptable rhythm. High Entropy = Disease or Aging (Disorder): As entropy increases, biological "mess" builds up. Damaged DNA accumulates, proteins misfold, cells stop working right, and communication breaks down. Aging is essentially a slow, natural rise in entropy. While conditions like cancer (uncontrolled, chaotic cell growth), neurodegeneration (like Alzheimer’s protein tangles), and metabolic dysfunction (like uncontrolled blood sugar) represent spikes of high entropy in specific parts of the body. Note that - aging is a normal anatomical and physiological process, it is not a disease. Now you know how complex this term is? Well, this is what Deepinder Goyal's Temple device claims to measure. A device can produce a number without proving that the number means what its advertising says. That is the central problem with Temple’s “Entropy.” “Entropy” has different scientific meanings. In physics, it concerns energy transformations. In heartbeat or brainwave analysis, it describes how irregular or unpredictable a signal is. Measuring one does not mean you have measured the other, or someone’s overall health. Yes, wearable recordings can be used to calculate signal entropy. A Polar H10 chest strap, for example, records heartbeat intervals that suitable software can analyse. GE’s clinical Entropy monitor analyses electrical signals from the forehead to help assess anaesthesia. Neither tells you how much “disorder” your body contains or how long you will live. Temple’s published research describes an optical sensor that shines light into skin and detects changes associated with blood flow. That can provide useful physiological information of flow and perfusion only there or at the heart level, but not the brain or other systems. And detecting blood-related signals does not automatically measure whole-body heat loss, metabolism or thermodynamic entropy. Those claims are wild. Extraordinary claims require extraordinary evidence. Researchers have estimated human thermodynamic entropy production. The experiment cited by Temple used a whole-body calorimeter, measurements of breathing gases and mathematical modelling. It did not demonstrate that a small optical sensor at the temple could do the same job. Misrepresenting and misinterpreting genuine research and extrapolating that to a new device does not establish that Temple performs the measurement described in that research - this is classical Scienceploitation. It Is "sciencey" word salads. Non-medical people will fall for this sort of gimmicks. Temple also claims that lower resting “Entropy” means better health. That is not an established universal rule. Even the theoretical paper it cites discusses the importance of maintaining adequate entropy production and increasing it when needed—not simply driving the resting value ever lower. A lower number needs a proven health meaning before it becomes a health goal. Deepinder's Science Team has to prove this first, before they let their "machine" measure it - if it really can. A reading that changes with exercise, meals, stress or temperature may be responding to real physiology. But that does not prove it measures immune health, digestion, reproductive function or recovery. Responding to many things is not the same as understanding or measuring all those things. Temple lists (their own) preliminary studies of heart rate and brain-circulation-related signals. Those studies do not establish the advertised health meanings of “Resting Entropy,” “Entropy Max” or “Span.” These cannot be measured using currently available wearable tech, including Temple. Combining readings into a new score does not remove the need to validate that score, or if the score is really meaningful to start with. Pretty much like Homeopathy. So much stuff, no content or context. Highly advanced wearable science is not impossible. The problem is presenting an unvalidated interpretation as an established fact about your body. Calling a product “wellness” does not make its scientific claims true. Temple device is the commercial, expensive example of consumer scienceploitation. The website needs to be updated with medical and health truths rather than magical thinking and delusions of so-called founder and his science team. Deepinder's Temple device is very much like Baba Ramdev's Coronil. Only one difference. Former is scienceploitation, latter is pseudoscience and both are harmful in their own ways. Learn to identify a scam and fraud when you see one.