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The full Five-Layer Filter is five questions that together cover roughly eighty percent of what's needed to make a confident go, rework, or no-go call on a deep tech idea. This preview gives you the first layer, Feasibility Instinct, free, so you can judge the quality of the questions yourself before deciding whether the full assessment is useful to you.

Layer 1: Feasibility Instinct

What's the core technical claim your idea depends on, and how solid is the evidence that it actually holds?

Every idea rests on one or two technical claims that would take everything else down with them if they turned out to be wrong, for example, "this sensor can reliably detect a crack half a millimetre wide from ten metres away." What's the equivalent technical claim for yours?
Is that technical claim proven, likely, or still a guess, and what's the evidence either way?
What's the hardest single technical step between your idea and the working version, and are you confident it's genuinely solvable, not just plausible?

Your answers Rate your answer above

How solid is the foundation this idea rests on?

The core technical claim is proven or demonstrated The core technical claim is credible but untested The core technical claim is still speculative

Your Layer 1 Result

Feasibility Instinct

This reflects how you rated your own answer above, not a judgment the tool made independently. It's one of five layers, on its own it doesn't give you a full go or no-go signal.

The rest of the assessment (locked)

🔒 Layer 2: Use Case Visualisation, can you picture one specific person at their point of use?
🔒 Layer 3: Owning the Niche, how completely do you own this specific, narrow slice of the market?
🔒 Layer 4: Expansion Headroom, beyond this niche, what's the genuine expansion potential?
🔒 Layer 5: Creating a Lasting Advantage, what stops a well-funded competitor copying you within 18 months?

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