Speed just did an internet stream from underwater. The tech is genuinely wild, because water blocks every wireless signal we have.Your phone disconnects in 4 inches of water. WiFi and cellular both run in the gigahertz range, and seawater absorbs those frequencies as heat. Same physics as your microwave oven, which operates at 2.45 GHz. By 4 inches deep, signal strength has dropped more than 99%.This is why scuba divers have used hand signals for 80 years. It's why submarines have to surface to
3:06
Speed just did an internet stream from underwater. The tech is genuinely wild, because water blocks every wireless signal we have.Your phone disconnects in 4 inches of water. WiFi and cellular both run in the gigahertz range, and seawater absorbs those frequencies as heat. Same physics as your microwave oven, which operates at 2.45 GHz. By 4 inches deep, signal strength has dropped more than 99%.This is why scuba divers have used hand signals for 80 years. It's why submarines have to surface to
7.8M views1 week ago
x.comAakash Gupta
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