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High-altitude balloons to provide cell and internet coverage over Kenya

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Loon, an Alphabet subsidiary that graduated from Google’s X factory, will soon provide cell phone coverage to rural Kenyans using high altitude balloons. Cellular coverage is lacking in areas outside the country’s main city hubs due to the need for telecommunications infrastructure, a problem which is also faced in underserved communities around the world. To tackle the challenge, Loon has developed a system of interconnected balloons carrying telecom equipment which travel along the edge of space, relaying communications data over areas needing coverage. This innovative system has the potential to provide cellular connectivity anywhere it’s needed, particularly in areas outside the reach of traditional systems or experiencing emergency conditions.

In order to provide a useful communications system with balloons, Loon’s team needed to overcome challenges involved with relaying data along moving targets rather than ground stations. The team’s engineers developed solutions, adding a triangular gondola containing specialized gimbals to orient the signals between nearby balloons, so that the telecom network could manage the constantly changing configuration and keep the cell data moving without interruption. It also enables the system to work with very little ground infrastructure. One ground station can relay data across the balloons for over 600 miles, as the company demonstrated in September of last year.

Minimal ground station infrastructure for Kenya. | Credit: Loon

Besides the challenges with relaying data, Loon also had to develop an method for navigating the balloons in order to target coverage areas. For this, the balloons were built as two balloons in one – an outer balloon filled with helium, and an inner balloon filled with air. When the inner balloon expands, it compresses the helium in the outer balloon and thus increases density. The more dense the helium, the lower it flies, and vice versa. By combining this range of motion with surrounding air currents, Loon’s team is able to navigate the balloons as needed. They’ve mastered this task well enough that the balloons for Kenya will be launched from Puerto Rico, traveling across the Atlantic Ocean until they reach their destinations in Africa.

The primary purpose of Loon’s system is to provide a communications network where none exists; however, the technology is able to adapt to situations where existing networks have been significantly damaged, such as in extreme weather events. The company has already been successfully applied in emergency situations. When Hurricane Maria hit Puerto Rico in September 2017, the company partnered with AT&T and T-Mobile to provide emergency connectivity to over 200,000 residents while repairs to their cellular infrastructure were underway. Text messaging and Internet access via LTE-compatible phones were temporarily restored.

The company will spend the first half of 2019 testing and finalizing its Kenyan system before Telkom Kenya, the country’s primary cellular provider, begins using the network for rural customer coverage. Loon has already begun construction of the minimal ground infrastructure needed, the stations in Nairobi and Nakuru being complete as are regulatory approvals. Millions of Kenyans stand to benefit from Loon’s mission and technology, and if successful, it will add to the growing options for connectivity in underserved communities around the world.

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For more on the way Loon’s system works, watch the video below:

https://youtu.be/MiEZfRh-h-s

Accidental computer geek, fascinated by most history and the multiplanetary future on its way. Quite keen on the democratization of space. | It's pronounced day-sha, but I answer to almost any variation thereof.

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Elon Musk

SpaceX announces new Starship 13 test flight target date

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SpaceX Starship V3 flight 12
SpaceX Starship V3 flight 12 (Credit: SpaceX)

SpaceX has announced a new target date for the thirteenth test flight of Starship: Monday, July 20, with the launch window opening at 6:45 p.m ET/5:45 p.m. CT.

This is the first rescheduling attempt of Starship’s 13th test flight. It was set to launch last night, but SpaceX scrubbed the launch attempt.

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CEO Elon Musk revealed that some of the engines on Starship did not start, which automatically triggers a launch abort. Two of the Raptor engines will be removed and replaced.

SpaceX officially announced the new launch window this morning.

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Starship’s 13th test launch comes with a few new objectives, but SpaceX does not plan to attempt a catch of the booster, which it has done several times in the past.

For Starship’s Upper Stage, there are some adjustments to ensure engine reusability that will be assessed during the ascent, and 20 operational Starlink V3 satellites are also set to make their way into space. SpaceX also plans to attempt an in-space relight of a single Raptor engine, which is a critical demonstration for future orbital deorbit, refueling, and deep space maneuvers.

Ultimately, it will splash down in the Indian Ocean.

The continuous tests help SpaceX advance the Starship program toward eventual full reusability, operational Starlink V3 deployment, and future missions, which include NASA’s Artemis program.

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SpaceX Starship Flight 13 aborted at Zero and Musk just told us what broke

Four Raptor engines failed to ignite at T-zero, forcing SpaceX to scrub Starship Flight 13 Thursday.

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SpaceX scrubbed the Starship Flight 13 launch attempt Thursday evening at the last possible moment, after four of the Super Heavy booster’s 33 Raptor 3 engines failed to ignite during the startup sequence. The 90-minute window had opened at 6:45 p.m. EDT from Starbase in Boca Chica, Texas, and the countdown had proceeded without issue all day, with more than 11.5 million pounds of liquid methane and liquid oxygen being fully loaded into the rocket before the automated abort triggered. SpaceX’s launch directors posted on X, “Standing down from today’s flight test attempt,” and shut down the livestream shortly after.

Musk confirmed the root cause within hours. “Some of the engines didn’t start, triggering an automatic launch abort,” he wrote on X. “To be confident of a good flight, 2 Raptors will be removed and replaced. Most probable launch timing is early next week.” SpaceX engineers began draining propellant tanks immediately and Booster 20 was rolled back to its hangar for inspection.

SpaceX comes with a slew of changes for Starship Flight 13

 

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The timing adds a layer of significance that did not exist during any of the previous 12 Starship flights. This is the first time SpaceX has attempted to launch Starship since the company made its stock market debut in June, listing under ticker SPCX at $135 per share. Public investors are now watching every Starship outcome in real time, and a last-second abort carries more visibility than it would have six months ago.

Flight 13 was designed to be one of the most consequential tests in the program’s history. It was set to carry 20 Starlink V3 satellites, the first operational payload Starship has ever attempted to deploy. Six of those satellites carried external cameras to photograph Starship’s heat shield from the outside during flight, which would act as a self-inspection approach SpaceX has never attempted before. The mission also needed to complete a Raptor engine relight in space, a step SpaceX skipped on Flight 12 in May after losing an engine during ascent. That Flight 12 booster also flipped 90 degrees off course during its boostback burn when five engines failed to reignite.

SpaceX has not announced an official next launch date. Musk’s “early next week” window points to July 21 or 22 at the earliest, pending the engine swap and a return to the pad.

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Elon Musk secretly acquires $1B energy company to power the AI future

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Gage Skidmore, CC BY-SA 4.0 , via Wikimedia Commons

Elon Musk flew under the radar with his recent purchase of a $1 billion energy company, according to Federal Trade Commission (FTC) documents.

Transaction number 202612350 listed Tesla and SpaceX frontman Elon Musk as the acquiring party and CF APR Super Holdings LLC as the seller, with New APR Energy, LLC as the acquired entity. The deal, which closed without public announcement, came to light on May 14.

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Analysts inferred the deal’s scale from minority stakeholder disclosures, including one report of a 5 percent interest sold for approximately $50.4 million. Fortress Investment Group had purchased APR’s assets in late 2024, rebranded the operation as New APR Energy, and subsequently transferred ownership to Musk.

APR Energy specializes in rapidly deployable power infrastructure. The company maintains one of the world’s largest fleets of mobile gas and diesel turbines, with more than 1.1 gigawatts of generation capacity. Its modular units, which are often trailer-mounted, enable turnkey installations ranging from 20 MW to over 500 MW.

Elon Musk admits he was ‘clearly wrong’ about Anthropic

APR provides full engineering, procurement, construction, operation, and maintenance services for behind-the-meter power plants, serving everything from data centers, utilities, and industrial clients.

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The firm has expanded aggressively to meet surging demand, recently adding turbines and deploying over 100 MW for a major AI hyperscaler. Its solutions bridge critical gaps where grid interconnections face delays of two to five years, according to Yahoo.

The acquisition means something more for Musk. As he continues to expand projects in artificial intelligence, especially xAI, his AI venture, there is a greater need to supply energy-intensive supercomputing clusters, including the Colossus project, with what they need: reliable and high-capacity power.

Ownership of APR provides immediate access to flexible generation assets that can be deployed adjacent to data centers, reducing dependence on a strained infrastructure. It also complements Tesla’s energy storage business, so Musk will be able to pull from his own entities to address the rapid scaling demands of AI training and compute.

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