It also looks like the author doesn’t know the difference between sonar and radar.
Comment on Elon Musk Stormed Into the Tesla Office Furious That Autopilot Tried to Kill Him
Entropius@lemmy.world 1 year ago
LiDAR is essentially radar that uses light instead of sound
Radar doesn’t use sound. It sounds like the author doesn’t know the difference between sonar and radar.
30mag@lemmy.world 1 year ago
PM_Your_Nudes_Please@lemmy.world 1 year ago
Yeah, it uses radio frequencies. RaDAR stands for “Radio Detection And Ranging”. It uses radio waves (usually in the microwave bandwidth) to detect things. Basically, since those radio waves are affected by the Doppler effect, you can have a computer do some math to determine the speed of whatever those waves reflected off of.
Slotos@feddit.nl 1 year ago
Every wave is affected by Doppler effect.
When a car rushes your way, it’s a tiny bit bluer, a little bit hotter, it’s drivers’ phone is operating on a slightly higher frequency and it sounds higher. According to you.
Jarix@lemmy.world 3 months ago
That’s like all relative dude
Tristaniopsis@aussie.zone 9 months ago
Well… also according to most physicists.
randommilkmake@lemmynsfw.com 8 months ago
Why are you misquoting the article that is not what it says
The real quote
LiDAR is essentially radar that uses light instead of radio waves…
Entropius@lemmy.world 8 months ago
Why are you misquoting the article that is not what it says
Why are you accusing me of something I didn’t do?
From the bottom of the article:
Updated to correct an error in describing how radar works.
I quoted it correctly at the time. They just edited it after I commented.
Ganondorf@kbin.social 1 year ago
This is why comments are so useful. I was already on the fence about viewing a site named
futurism
and your comment made sure I will avoid it moving forward.ABCDE@lemmy.world 1 year ago
I think that’s a big qualm of mine in terms of the sources allowed here, and I suppose it will take time to weed out the trustworthy from the not.
Deceptichum@kbin.social 1 year ago
Why does the word futurism put you the fence?
xkforce@lemmy.world 1 year ago
A lot of articles that either use that buzzword or are published by sites that have that in their name are utter garbage. i.e rediculous predictions, inaccurate headlines/content etc.
anlumo@lemmy.world 1 year ago
Futurists are people who cosplay as scientists predicting stuff they have no clue about.
Lost_My_Mind@lemmy.world 2 months ago
11 months into the future, you will get a useless unfunny reply!