Blog
Notes from the workshop floor.
Market, technology, brand. Written by Dr. Raphael Nagel and the team. Published when something needs to be said.
April 29, 2026 · Dr. Raphael Nagel
Controlled Autonomy in Security Robotics: The Honest Operating Model
A fully autonomous system cannot carry the legal weight. A controlled-autonomy system can. We explain the architecture, the audit trail, and the liability geometry that makes it work.
April 26, 2026 · Dr. Raphael Nagel
Solar Surveillance Trailers on a Construction Site: When the Math Works
Solar works when the irradiation works. We model December and June output side by side, and explain when a hybrid trailer is the honest answer.
April 15, 2026 · Dr. Raphael Nagel
Security Robot vs Human Guard: The Honest Five-Year Math
A line-by-line model of total cost of ownership over five years, including downtime, training, and incident response. The robot wins later than vendors claim and earlier than skeptics believe.
April 14, 2026 · Dr. Raphael Nagel
Copper Theft on a Construction Site: The One Prevention That Actually Works
Bait wires, GPS tags, motion sensing, and AI verification. Three of those four pay for themselves. We say which and why, with the cost lines spelled out.
April 12, 2026 · Dr. Raphael Nagel
Who Is Liable When a Security Robot Misses an Incident
Liability moves with control. We map the chain from sensor reading to operator response to legal exposure, and explain why controlled autonomy is the model the courts can actually parse.
April 8, 2026 · Dr. Raphael Nagel
AI Video Analytics for Perimeter Security: A Buyer-Side Guide
The category is crowded. We separate the vendors who train their own models on real perimeter footage from those who deploy generic object detectors with new packaging.
April 6, 2026 · Dr. Raphael Nagel
Security Robot Rental: What Pricing Tells You About the Vendor
A monthly rental price is the visible figure. The contract length, the maintenance schedule, and the failover model are the figures that decide whether the price is honest.
April 5, 2026 · Dr. Raphael Nagel
Rolling Out a Security Robot in a Warehouse: A Ninety-Day Implementation
Site survey, baseline metrics, deployment, calibration, and handover. A timeline a procurement team can defend without inventing milestones the operations team will reject.
March 26, 2026 · Dr. Raphael Nagel
Object Detection vs Anomaly Detection in Security: Which One You Actually Need
Object detection answers "what is in the frame." Anomaly detection answers "is this normal." For most industrial operators, the second question is the one that costs money.
March 24, 2026 · Dr. Raphael Nagel
Critical Infrastructure Perimeter Security: Best Practices From the Floor
A practical reading of the controls that actually matter once you stop reading frameworks and start reading sites. We name the controls and explain why they hold.
March 19, 2026 · Dr. Raphael Nagel
Choosing a Mobile Surveillance Trailer in 2026: Six Criteria That Matter
Independent operators ask the same six questions. We list them in order of importance and explain how to read the answers vendors give.
March 16, 2026 · Dr. Raphael Nagel
AI Video Analytics Under GDPR: What Operators Actually Need to Document
Article 6(1)(f), legitimate interest, balancing test. The GDPR does not ban AI video. Bad consultants do. A short guide to documentation that holds up under audit.