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 26, 2026 · Dr. Raphael Nagel
Solar Surveillance Trailers on a Construction Site
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.
April 14, 2026 · Dr. Raphael Nagel
Copper Theft on a Construction Site: What Stops It
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 why controlled autonomy is what courts can parse.
April 8, 2026 · Dr. Raphael Nagel
AI Video Analytics for Perimeter Security: Buyer 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.
April 6, 2026 · Dr. Raphael Nagel
Security Robot Rental: What Pricing Says About Vendors
A monthly rental price is the visible figure. Contract length, maintenance schedule and the failover model decide whether that price is actually honest.
April 5, 2026 · Dr. Raphael Nagel
Rolling Out a Security Robot in a Warehouse
Site survey, baseline metrics, deployment, calibration, and handover. A timeline a procurement team can defend without inventing milestones the operations.
March 26, 2026 · Dr. Raphael Nagel
Object Detection vs Anomaly Detection in Security
Object detection answers "what is in the frame." Anomaly detection answers "is this normal." For most industrial operators.
March 24, 2026 · Dr. Raphael Nagel
Critical Infrastructure Perimeter Security: Best Practices
A practical reading of the controls that actually matter once you stop reading frameworks and start reading sites.
March 19, 2026 · Dr. Raphael Nagel
Mobile Surveillance Trailer 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 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.
March 11, 2026 · Dr. Raphael Nagel
Insurance Premium Reduction Through AI Surveillance
Underwriters reward documentation, integration, and verifiability. A guide to the credit components that actually move the premium needle in 2026 markets.