{"id":50318535,"user":"Onavo","time":1793470641,"time_ago":"18 hours ago","type":"comment","content":"

The Soviets allegedly used the same principle to make cheap single sensor missile seeker heads.","comments":[{"id":50318618,"user":"robotresearcher","time":1793471233,"time_ago":"18 hours ago","type":"comment","content":"

Two DOF: two sensors?","comments":[{"id":50319093,"user":"Animats","time":1793473818,"time_ago":"17 hours ago","type":"comment","content":"

If the missile is spinning, you can do it with one. The original Sidewinder air to air missile worked that way.","comments":[{"id":50319421,"user":"robotresearcher","time":1793476039,"time_ago":"16 hours ago","type":"comment","content":"

Neat, thanks. I should have thought of that.","comments":[],"comments_count":0,"level":2,"url":"item?id=50319421"},{"id":50319242,"user":"greenbit","time":1793474796,"time_ago":"17 hours ago","type":"comment","content":"

And now the name 'sidewinder' makes perfect sense","comments":[{"id":50319740,"user":"mathgeek","time":1793478052,"time_ago":"16 hours ago","type":"comment","content":"

While it may have been a secondary reason, it's named after the snake for the sensory "heat seeking" attribute: https://en.wikipedia.org/wiki/Crotalus_cerastes","comments":[{"id":50320065,"user":"buildsjets","time":1793479791,"time_ago":"15 hours ago","type":"comment","content":"

I had always assumed it was due to the use of roller stabilized fins / rollerons.

https://makezine.com/article/science/energy/unusual-mechanis...","comments":[],"comments_count":0,"level":4,"url":"item?id=50320065"}],"comments_count":1,"level":3,"url":"item?id=50319740"},{"id":50319722,"time":1793477947,"time_ago":"16 hours ago","type":"comment","content":"[deleted]","deleted":true,"comments":[],"comments_count":0,"level":3,"url":"item?id=50319722"}],"comments_count":3,"level":2,"url":"item?id=50319242"}],"comments_count":5,"level":1,"url":"item?id=50319093"}],"comments_count":6,"level":0,"url":"item?id=50318618"}],"comments_count":7,"url":"item?id=50318535"}

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