Friday, January 19, 2018

LiDAR vs Photogrammetry

Drone LiDAR or Photogrammetry? Everything you need to know. is an interesting and useful read. But it misses the point (I think). LiDAR is LIDAR = gives you a DEM, DTM, DSM - whatever you prefer to call it. Photogrammetry gives you orthophotos - which is something entirely different. Unless you are talking about doing SfM from your images.

Thursday, January 18, 2018


I still have no idea how it works, but this video is a nice explanation of what it can do for us:

Wednesday, January 17, 2018

6 Ed Tech Tools to Try in 2018

6 Ed Tech Tools to Try in 2018 includes some fun things, for example Sway and AutoDraw. InsertLearning looks actually useful - basically allows you to create a learning activity by annotating a web page.

Want more ideas? Jennifer Gonzalez annually produces The Teacher's Guide to Tech 2018 that you can purchase for $25.

Tuesday, January 16, 2018

The National Climate Assessment (NCA)

The National Climate Assessment (NCA) still exists - at least for now. In-fact, NCA4 Volume 1 - the Climate Science Special Report (CSSR) has just been released.

Start with Why.

Worth 18-minutes listening to Simon Sinek here:

Mapping Electricity in Real-Time

Here are two nice examples:

  1. UK offshore wind electricity generation in real-time.
  2. Global real-time electricity generation map (great to compare different countries).