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Critical InfrastructureSeptember 6, 2026Explainer

Low, medium and geostationary orbit: what changed, and why GEO didn't die

In 2026 there are more than 11,000 Starlink satellites in orbit and no inhabited region left without possible coverage. Brazil is buying a geostationary satellite anyway. That is not a contradiction: the three altitudes solve different problems.

Critical InfrastructureSeptember 5, 2026Explainer

Tier IV: what it really means, and why it matters for critical infrastructure

Is a Tier IV data center just a data center with a lot of redundancy? No. And perhaps the best way to understand the difference is to start with energy.