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A Slower Speed of Light

gamelab.mit.edu Tools, games & demos Computer games Mathematics & science Class of 2024-05 Hall of Fame
Screenshot of gamelab.mit.edu captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 8 calendar years, with breakout response in 2 of them.

submissions
9
submitters
9
observed span
2012–2024
peak thread · 105 comments
284 pts
latest 20+ return · 2024-05-12
223 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I'm quite curious as to whether the speed of light across the game space decreases instantaneously when you pick up an orb or whether the change in the speed of light propagates at the speed of... umm light. Also they definitely need to have a black hole or 2 chucked in and maybe some miniature binary stars orbiting at relativistic speeds

https://web.archive.org/web/20240513041141/http://gamelab.mi...

neonate·223-point thread·

Another speed of light game is 'Velocity Raptor'. Depending on how fast the dinosaur is moving, nearby objects appear to slow down, change size, and change color. The author says it is an "accurate and mathematically based depiction of the world at high velocities". You can play it here in your browser. http://www.testtubegames.com/velocityraptor.html Or read how it works here http://www.testtubegames.com/srel101.html

There is an old Science Fiction concept - slow glass(SG). 1/8 inch of SG could be formulated so it delayed light by 12 hours. So pieces were left in the sunlight to light houses at night. They even conceived of glass with a 1 year delay - that they made into bombs and artillery shells. Formulaic changes could give you years even. A fully charged piece had the energy of a year stored in it before it came out the…

aurizon·2-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
609

reference only — not used in Hall rules or ranking

Total comments
180

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2012-11-02A Slower Speed of LightFirst breakout · Best threadpo284105
2015-03-07A Slower Speed of Lighttcoppi30
2018-05-27A Slower Speed of Light (2012)rbanffy8915
2019-11-14A Slower Speed of Light (2013)momonga20
2020-04-25A slower speed of light (2013)auton120
2021-03-01What if we could reduce the speed of lightdannyow21
2023-03-03A Slower Speed of Lightcolinprince20
2023-08-20A slower speed of light (2012)aziaziazi20
2024-05-12A Slower Speed of Light (2012)Hall induction · Latest 20+ point returngurjeet22359