December 17, 2025

Broadband connectivity anywhere in Nigeria, without any special equipment. Yes anywhere—using the very same phone in your pocket right now. That is the revolutionary promise of AST Mobile “direct-to-device” (D2D), a service that is finally on the horizon for Nigeria.

This is a game-changer, especially when you consider the current alternative: paying $300-$500 for specialized equipment that requires external power and complex installation, like Starlink. In contrast, AST Mobile isn’t just an interesting proposition; it’s a seamless leap forward.

The artificial intelligence revolution has a dirty secret: it’s incredibly power-hungry. Training massive models like GPT-4 and processing billions of daily queries requires energy on a scale comparable to small nations. As tech giants scramble to find enough electricity to fuel their AI ambitions, a surprising potential solution has emerged from the heart of Africa. The Democratic Republic of Congo (DRC) is pitching the site of the world’s largest proposed hydroelectric dam, Grand Inga, as the future power source for the world’s AI data centers.

So, what’s powering this revolution? While NVIDIA’s GPUs often grab the spotlight, there’s a silent, specialized workhorse in the background: Google’s Tensor Processing Unit, or TPU.

What if you could build a chip from the ground up, not for graphics or general computing, but for one thing only: accelerating AI? That’s exactly what Google did. Let’s dive into the world of TPUs and discover how this custom-built hardware is shaping the future of intelligence.