Alphabet's Project Taara, which uses light beams to deliver internet, says it transmitted nearly 700TB of data across the Congo River over 20 days
The 20Gbps Free Space Optical Communications tech for Project Taara was originally part of Project Loon — In January, Google's parent company … Source: The X Blog .
Context & Ripple Effects
The Congo River run is the proof point behind Project Taara, the light-beam internet effort that emerged after Loon's balloon-based internet failed to find a business and was shut down in early 2021. Where Loon floated relays in the stratosphere, Taara's plan to deliver wireless internet across distances up to 20km at speeds up to 20Gbps keeps the hardware on the ground, aiming it at the gaps fiber can't economically cross — like rivers.
Nearly 700TB moved over 20 days shows the link holding steady enough to matter for real traffic, not just demos. In the corpus's longer arc, this validation is what carried Taara through a silicon photonic chip that transmits high-speed data through air to Alphabet ultimately spinning Taara out of the X moonshot lab as a funded standalone company.
First-order effects
- Alphabet now has a working replacement for Loon's closed balloon program in exactly the terrain Loon targeted — sub-Saharan Africa — with Telkom Kenya-style carrier partnerships as the obvious go-to-market channel.
Second-order effects
- Carriers facing river crossings and other trenching obstacles gain a fiber-adjacent backhaul option that doesn't require permits or cable lays, pressuring the economics of conventional last-mile builds in emerging markets.
Third-order effects
- If the pattern holds, X's connectivity moonshots follow a repeatable lifecycle — experiment inside Alphabet, prove throughput on real deployments, then commercialize or spin off — turning moonshot labs into a pipeline of infrastructure companies rather than permanent research cost centers.
The trend: Alphabet's global-connectivity bets are migrating from airborne platforms like Loon's balloons to terrestrial free-space optics, with proven projects graduating out of X into standalone companies.