Asklemmy

43761 readers

1150 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy 🔍

If your post meets the following criteria, it's welcome here!

Open-ended question
Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
Not ad nauseam inducing: please make sure it is a question that would be new to most members
An actual topic of discussion

Looking for support?

Looking for a community?

Lemmyverse: community search
sub.rehab: maps old subreddits to fediverse options, marks official as such
[email protected]: a community for finding communities

~Icon~ ~by~ ~@Double_[email protected]~

founded 5 years ago

MODERATORS

[email protected]

164

What's a new scientific concept or technological innovation that really makes you feel like we're living in the future? (reddthat.com)

submitted 1 year ago by [email protected] to c/[email protected]

100 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] [email protected] 17 points 1 year ago (1 children)

The LANDSAT program. Not exactly new since it's been going for about 50 years, but it's still fascinating and maybe more relevant than ever with concerns about climate change.

We can get different types of data about a landscape from the different parts of the light spectrum. For example, telling coniferous and deciduous trees apart based on how they reflect light. Imagine echolocation on steroids, using light.

https://youtu.be/DGE-N8_LQBo

[–] [email protected] 2 points 1 year ago

Thanks for sharing this I always wondered where they got those pictures.