What makes a hand dexterous?
Holding an object is one thing. Changing your grip while using it is another.
Separate holding, manipulating and using an object.
Start with an everyday task
Think about picking up a pen, turning it into a writing position, and keeping the tip on the page. Those are different tasks. A robot needs suitable mechanics, sensing and control to do them reliably.
Shape is only part of the story
Five fingers can help with some objects. A simpler gripper can be the better tool for a repetitive job. Ask what the complete system can repeat, with which objects and under which conditions.
Try this without a robot
Watch a demonstration and write down each action: approach, make contact, grasp, move, change grip and release. Which step looks hardest? Bring that question to the community.
Try it yourself
TASK EXPLORER
Same hand. Different challenges.
Task requirements to investigate, not a claim that a listed product can perform them.
Your practical task
- Choose one object and name the intended use.
- Break the task into approach, contact, grasp, manipulation and release.
- Identify the step that changes the object’s pose relative to the hand.
What to produce: A five-step task breakdown and one open question.
Look closely at Prima 1
Open the manufacturer’s product page and demonstration. Describe what you can see, identify any disclosed control method, and note what the source leaves unanswered.
View the original Prima 1 page and demonstration ↗Check your understanding
Original sources & next steps
Prima 1: original product demonstration ↗Original Dexhands teaching material. Interactive models and added references reviewed September 23, 2026; the introductory reading retains its September 22 review. Research links are not endorsements or evidence of hardware compatibility.