A. As a concept, that is brilliantly creative. But the bottom line is: absolutely not—and if you actually tried, you would incur the absolute wrath of physicists worldwide.
The gold sensors lining the walls might vaguely remind you of the inside of a high-tech rice cooker, but there are three scientific reasons why this facility can never become the world’s largest kitchen appliance.
- The water is way too cold (approx. 13°C / 55°F)
Cooking rice naturally requires boiling water near 100°C, but the interior of Super-Kamiokande is constantly maintained at around 13°C to minimize instrument noise and keep the system stable. There is absolutely no heating functionality, so throwing rice in would just leave you with grains soaking in cold water. - The “Ultra-Pure Water” is terrifyingly aggressive
The 50,000 tons of water filling the tank is “ultra-pure water,” stripped of impurities to the absolute limit. This gives the water an intense craving to dissolve any substance it touches (often referred to as “hungry water”). If you put rice in there, instead of cooking, the nutrients and starches would be aggressively leached out, turning your meal into a gooey, gelatinous mess. - You would destroy a multi-billion-yen national project
The walls are densely packed with ultra-sensitive sensors called “photomultiplier tubes,” which are designed to capture the faint flash of light (Cherenkov light) emitted when a neutrino collides with water. If the water gets even slightly cloudy from rice starch, the light won’t travel and the experiments will grind to a complete halt. If the sensors get contaminated and fail, tens of thousands of parts—each costing tens to hundreds of thousands of yen—will be ruined, instantly trashing a Nobel Prize-caliber mega-apparatus.
💡 In Summary
Super-Kamiokande is a vessel meant to unlock the mysteries of the universe, not to cook your dinner. When it’s time to make rice, just stick to your trusty home rice cooker (or a clay pot)!