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How tesla electricity can create wireless power
- Y-Tricity intends to revive wireless power transfer concepts by developing a system-based infrastructure rather than specific products, aiming to wirelessly power the last few feet of energy transfer from walls, floors, and ceilings to devices like projectors located up to a meter below.
- The company plans to utilize magnetic resonance and passive resonators to power virtually any household item automatically, with future magnetic field intensities conforming to established safety standards and remaining comparable to the Earth's natural magnetic field.
- Near-term applications may involve replacing batteries in computer accessories with small wireless resonators, while long-term infrastructure changes are projected to be decades away despite the potential for trillions of dollars in investment.
- Ambient radio power harvesting is expected to enter a boom phase using energy from sources such as TV towers emitting a megawatt of power up to four kilometers away, yielding roughly a milliwatt of energy for kitchen devices or up to 100 microwatts across Seattle.
- Low-power consumer electronics, including devices with a "reptilian brain" that never powers down, may utilize harvested ambient RF signals for standby modes or critical functions like pressing a 911 button, though power transmission efficiency declines if receivers are not aligned with the source.
- While TV signals offer consistent availability compared to the 12-hour limit of solar energy, current harvesting levels are insufficient for mobile phone standby mode which requires 20 milliwatts, but technology is anticipated to become practical and ubiquitous within a few years.
- The realization of widespread wireless power transfer, including Nikola Tesla's vision, is predicted to occur soon, contingent on convenience and energy savings establishing the technology as a "killer app" while navigating the complexity of rethinking global infrastructure.