{"action":"opened","issue":{"url":"https://api.github.com/repos/phetsims/bending-light/issues/380","repository_url":"https://api.github.com/repos/phetsims/bending-light","labels_url":"https://api.github.com/repos/phetsims/bending-light/issues/380/labels{/name}","comments_url":"https://api.github.com/repos/phetsims/bending-light/issues/380/comments","events_url":"https://api.github.com/repos/phetsims/bending-light/issues/380/events","html_url":"https://github.com/phetsims/bending-light/issues/380","id":376878198,"node_id":"MDU6SXNzdWUzNzY4NzgxOTg=","number":380,"title":"User request: lens with controllable focal distance","user":{"login":"oliver-phet","id":5090275,"node_id":"MDQ6VXNlcjUwOTAyNzU=","avatar_url":"https://avatars3.githubusercontent.com/u/5090275?v=4","gravatar_id":"","url":"https://api.github.com/users/oliver-phet","html_url":"https://github.com/oliver-phet","followers_url":"https://api.github.com/users/oliver-phet/followers","following_url":"https://api.github.com/users/oliver-phet/following{/other_user}","gists_url":"https://api.github.com/users/oliver-phet/gists{/gist_id}","starred_url":"https://api.github.com/users/oliver-phet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/oliver-phet/subscriptions","organizations_url":"https://api.github.com/users/oliver-phet/orgs","repos_url":"https://api.github.com/users/oliver-phet/repos","events_url":"https://api.github.com/users/oliver-phet/events{/privacy}","received_events_url":"https://api.github.com/users/oliver-phet/received_events","type":"User","site_admin":false},"labels":[{"id":552102226,"node_id":"MDU6TGFiZWw1NTIxMDIyMjY=","url":"https://api.github.com/repos/phetsims/bending-light/labels/type:user-feedback","name":"type:user-feedback","color":"EDE162","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-02T16:20:10Z","updated_at":"2018-11-02T16:20:10Z","closed_at":null,"author_association":"NONE","body":"> I played a bit with the \"bending light project (https://phet.colorado.edu/de/simulation/bending-light#for-teachers-header)\" - I wanted to demonstrate that according to Newton rainbow-colored light can be \"concentrated (compressed)\" back into white light. This generally works with the app. However I would wish to have a lens with controllable focal distance."}}
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