phetsims/pendulum-lab

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"Pendulum Lab" is an educational simulation in HTML5, by PhET Interactive Simulations.

Stars: 4
Forks: 9
Open beginner issues: 0
Indexed issues: 23

Dominant language: TypeScript
License: GPL-3.0
Last GitHub push: Apr 2, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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23 open issues indexed

Convert to TypeScript Open

dev:typescript priority:5-deferred

Difficulty 5/5 Over a week Newbie friendliness 20/100

phetsims/pendulum-lab#225 · Opened Aug 13, 2025
User request: energy graph values Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

phetsims/pendulum-lab#224 · Opened Apr 29, 2025
Support Dynamic Locale Open

status:blocks-sim-publication

phetsims/pendulum-lab#222 · 1 assignee · Opened Apr 22, 2025
User request: periodic graphs Open

type:user-feedback

Difficulty 5/5 Over a week Newbie friendliness 30/100

phetsims/pendulum-lab#221 · Opened Jan 10, 2022
Convert to one of the ZoomButtonGroup subclasses Open

phetsims/pendulum-lab#220 · 3 comments · 1 assignee · Opened Feb 25, 2021
Use PhetColorScheme.VELOCITY and PhetColorScheme.ACCELERATION Open

design:polish priority:4-low

phetsims/pendulum-lab#219 · 1 assignee · Opened Sep 29, 2020
User suggestion: arbitrary energy bars Open

type:user-feedback

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phetsims/pendulum-lab#218 · Opened Aug 27, 2020
Energy Legend: make all text black and add color swatches Open

design:polish

phetsims/pendulum-lab#217 · 1 assignee · Opened May 1, 2020
Use Stopwatch and StopwatchNode Open

phetsims/pendulum-lab#216 · 7 comments · 1 assignee · Opened Dec 17, 2019
Use TimeControlNode for Play/Pause/Step buttons Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

phetsims/pendulum-lab#215 · 2 comments · Opened Dec 11, 2019
after install independence and run found that Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

phetsims/pendulum-lab#214 · 1 comment · Opened Nov 27, 2019
Should the stopwatch pause and reset when unchecked? Open

phetsims/pendulum-lab#213 · 1 comment · 1 assignee · Opened Oct 23, 2019
User suggestion: horizontal ruler Open

type:user-feedback

Difficulty 5/5 Over a week Newbie friendliness 30/100

phetsims/pendulum-lab#212 · 4 comments · Opened Sep 23, 2019
Usability on small screens review Open

phetsims/pendulum-lab#211 · 1 comment · 1 assignee · Opened Apr 16, 2019
change '{0}' to SunConstants.VALUE_NAMED_PLACEHOLDER Open

priority:4-low type:i18n

phetsims/pendulum-lab#210 · 1 comment · 1 assignee · Opened Feb 5, 2019
non-standard energy colors Open

phetsims/pendulum-lab#209 · 2 comments · 1 assignee · Opened Jan 9, 2019
use PlayIconShape in PeriodTimerNode Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

phetsims/pendulum-lab#208 · Opened Nov 29, 2018
PhET-iO Design Open

design:phet-io priority:5-deferred

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/pendulum-lab#206 · 1 comment · Opened Sep 28, 2018
PhET-iO Instrumentation for Pendulum Lab Open

dev:phet-io status:on-hold

phetsims/pendulum-lab#205 · 1 assignee · Opened Sep 28, 2018
Update ruler to match MAS Open

dev:enhancement priority:4-low

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phetsims/pendulum-lab#203 · Opened Feb 28, 2018
Change stacking order of total energy bar Open

dev:enhancement

phetsims/pendulum-lab#202 · 6 comments · 1 assignee · Opened Jan 24, 2018
User request: photogate timer Open

type:user-feedback

Difficulty 5/5 Over a week Newbie friendliness 25/100

phetsims/pendulum-lab#201 · Opened Jan 11, 2018
branch: ubc-study Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

phetsims/pendulum-lab#194 · 8 comments · Opened Sep 18, 2017

phetsims/pendulum-lab

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