diff --git a/examples/mino-time-example.jl b/examples/mino-time-example.jl
index e25a69a..5a56ec1 100644
--- a/examples/mino-time-example.jl
+++ b/examples/mino-time-example.jl
@@ -100,7 +100,14 @@ lines_to_plot = Krang.generate_ray.(camera.screen.pixels, 5_000)
 sphere = GLMk.Sphere(GLMk.Point(0.0,0.0,0.0), horizon(metric))
 GLMk.mesh!(ax, sphere, color=:black) # Sphere to represent black hole
 
-for i in lines_to_plot; GLMk.lines!(ax, i) end
+for i in lines_to_plot; 
+    ray = map(x-> begin
+    (;rs, θs, ϕs) = x
+    [rs*sin(θs)*cos(ϕs), rs*sin(θs)*sin(ϕs), rs*cos(θs)]
+    end, i)
+    ray = hcat(ray...)
+    GLMk.lines!(ax, ray) 
+end
 fig
 
 GLMk.save("mino_time_rays.png", fig)
diff --git a/examples/raytracing-mesh-example.jl b/examples/raytracing-mesh-example.jl
index 8a73ad9..9bea3e2 100644
--- a/examples/raytracing-mesh-example.jl
+++ b/examples/raytracing-mesh-example.jl
@@ -74,7 +74,8 @@ recording = GLMk.record(fig, "mesh.mp4", 1:sze*sze, framerate=120) do i
         GLMk.mesh!(a, sphere, color=:black) 
     end
 
-    GLMk.lines!(ax3, line, color=:red)
+    cart_line = map(x->(x.rs*sin(x.θs)*cos(x.ϕs), x.rs*sin(x.θs)*sin(x.ϕs), x.rs*cos(x.θs)), line)
+    GLMk.lines!(ax3, cart_line, color=:red)
     GLMk.heatmap!(ax, img, colormap=:afmhot, colorrange=(0, 8))
 end
 # ```@raw html 
diff --git a/gpu_examples/Project.toml b/gpu_examples/Project.toml
index 2cac149..77a7a63 100644
--- a/gpu_examples/Project.toml
+++ b/gpu_examples/Project.toml
@@ -1,5 +1,6 @@
 [deps]
 CairoMakie = "13f3f980-e62b-5c42-98c6-ff1f3baf88f0"
 GLMakie = "e9467ef8-e4e7-5192-8a1a-b1aee30e663a"
+KernelAbstractions = "63c18a36-062a-441e-b654-da1e3ab1ce7c"
 Krang = "54806c32-d51a-438d-8447-e0041be2fbfb"
 Metal = "dde4c033-4e86-420c-a63e-0dd931031962"
diff --git a/src/materials/ElectronSynchrotronPowerLawIntensity.jl b/src/materials/ElectronSynchrotronPowerLawIntensity.jl
index 929ba28..1e599cf 100644
--- a/src/materials/ElectronSynchrotronPowerLawIntensity.jl
+++ b/src/materials/ElectronSynchrotronPowerLawIntensity.jl
@@ -115,4 +115,4 @@ function (linpol::ElectronSynchrotronPowerLawIntensity{N,T})(pix::AbstractPixel,
     return norm^(1 + spectral_index) * lp * prof
 end
 isFastLight(material::ElectronSynchrotronPowerLawIntensity) = true
-isAxisymmetric(material::ElectronSynchrotronPowerLawIntensity) = false
\ No newline at end of file
+isAxisymmetric(material::ElectronSynchrotronPowerLawIntensity) = true
\ No newline at end of file