Diagonal lightspeed communication

Diagonal lightspeed communication is a transmission of a signal diagonally at the speed of light.

A pattern that transmits a signal diagonally at the speed of light was found by Jason Summers in 1999. It is composed of 88 gliders and 2 LWSSs. The mechanism is shown below with and without an input signal. If the input glider is present, it travels through the mechanism at the speed of light. However, because the pattern takes a while to get started and to settle down at the end, the effective speed is less, approximately 150 cells in 193 ticks, still much faster than the c/4 diagonal spaceship speed limit. Regardless of the presence or absence of an input glider, the mechanism soon dies, thus it is a single-use mechanism. The limitation with using this in a complete circuit is that generating gliders that are so closely spaced with current technology would require an immense pattern.

x = 356, y = 364, rule = B3/S23 204b2o$203b3o$203b2obo$204b3o$205bo78$154bo$155b2o$154b2o3$151bo$152b 2o$151b2o3$148bo$149b2o$148b2o3$145bo$146b2o$145b2o3$142bo$143b2o$142b 2o3$139bo$140b2o$139b2o3$136bo$137b2o$136b2o3$133bo$134b2o$133b2o3$ 130bo$131b2o$130b2o3$127bo$128b2o$127b2o3$124bo$125b2o$124b2o3$121bo$ 122b2o$121b2o3$118bo$119b2o$118b2o3$115bo$116b2o$115b2o$353b2o$352b4o$ 112bo238b2ob2o$113b2o237b2o$112b2o3$109bo$110b2o$109b2o3$106bo$107b2o$ 106b2o3$103bo$104b2o$103b2o3$100bo$101b2o$100b2o3$97bo$98b2o$97b2o3$ 94bo$95b2o$94b2o3$91bo$92b2o$91b2o3$88bo$89b2o$88b2o3$85bo$86b2o$85b2o 3$82bo$83b2o$82b2o3$79bo$80b2o$79b2o196b3o$277bo$278bo$76bo195b3o$77b 2o193bo$76b2o195bo$267b3o$267bo$73bo194bo$74b2o186b3o$73b2o187bo$263bo $257b3o$70bo186bo$71b2o185bo$70b2o180b3o$252bo$253bo$67bo179b3o$68b2o 177bo$67b2o179bo$242b3o$242bo$64bo178bo$65b2o170b3o$64b2o171bo$238bo$ 232b3o$61bo170bo$62b2o169bo$61b2o164b3o$227bo$228bo$58bo163b3o$59b2o 161bo$58b2o163bo$217b3o$217bo$55bo162bo$56b2o154b3o$55b2o155bo$213bo$ 207b3o$52bo154bo$53b2o153bo$52b2o148b3o$202bo$203bo$49bo147b3o$50b2o 145bo$49b2o147bo$192b3o$192bo$46bo146bo$47b2o138b3o$46b2o139bo$188bo$ 182b3o$43bo138bo$44b2o137bo$43b2o132b3o$177bo$178bo$40bo131b3o$41b2o 129bo$40b2o131bo$167b3o$167bo$37bo130bo$38b2o122b3o$37b2o123bo$163bo$ 157b3o$34bo122bo$35b2o121bo$34b2o116b3o$152bo$153bo$31bo115b3o$32b2o 113bo$31b2o115bo$142b3o$142bo$28bo114bo$29b2o106b3o$28b2o107bo$138bo$ 132b3o$132bo$133bo$127b3o$127bo$128bo$122b3o$122bo$123bo$117b3o$117bo$ 118bo$112b3o$112bo$113bo$107b3o$107bo$108bo$102b3o$102bo$103bo$97b3o$ 97bo$98bo$92b3o$92bo$93bo$87b3o$87bo$88bo$82b3o$82bo$83bo$77b3o$77bo$ 78bo$72b3o$30b3o39bo$32bo40bo$31bo20$8b3o$10bo$9bo3$6b3o$3o5bo$2bo4bo$ bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 ZOOM 2 WIDTH 1600 HEIGHT 800 AUTOSTART PAUSE 4 LOOP 500 ]] #C [[ COLOR LABEL Red LABELT 0 20 0 LABEL 36 325 2 "INPUT GLIDER" ]] #C [[ COLOR LABEL Red LABELT 290 450 0 LABEL 300 145 2 "INPUT GLIDER EMERGES" ]] LEFT: pattern with SW input glider emerging to the NE RIGHT: pattern without an input glider The 3 gliders furthest SW and the 2 LWSSs (from N and E) are for cleanup (click above to open LifeViewer) RLE: here Plaintext: here

The 3 SW gliders are for cleanup. The input glider is shown in red.

See also

• Teleport