Tech · Facts & stats · iChallenge network
Daily facts and stats about robots and robotics, plus real challenges to put them to work.
On a robot arm, what is the 'end effector'?
The end effector is whatever the arm uses to interact with objects: a gripper, welder, suction cup or tool.
One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Each day notice one automated machine around you, like an automatic door or dishwasher, and note what it senses. Check in daily.
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Build a simple robot arm or gripper from cardboard, straws and string. Post a photo link or short write-up of how it moves.
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Write step-by-step instructions for a 'robot' friend to make a sandwich, then test them literally. Post what went wrong.
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Learn one robotics term each day, like actuator or sensor, and explain it in one sentence. Check in daily.
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Live counts from RoboticChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on RoboticChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
No. Quizzes start with fundamentals; challenges scale from prompting to building.
On this site's public leaderboard — post a score and claim your rank.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.
