start of electromagnetism Tesla would be proud

main.c

@@ -2,6 +2,7 @@
 
 #include "consts.h"
 #include "mechanics.h"
+#include "magnetism.h"
 #include <bits/time.h>
 #include <math.h>
 #include <pthread.h>
@@ -31,6 +32,7 @@ void *physics(void *args) {
   while (true) {
     clock_gettime(CLOCK_MONOTONIC, &ct);
     mechanics(uni);
+    magnetism(uni);
     ot = ct;
     long long elapsed = timespec_diff_ns(ct, ot);
     long long remaining = TIMESTEP / simx - elapsed;