IOT development libraries and hardware

• https://thingspeak.com/
• https://en.wikipedia.org/wiki/NodeMCU

Talking, Reading, Listening and Singing to Understand the Human Brain

https://thewire.in/178458/human-brain-fmri-autism-dyslexia/

We finally know how humans are able to echolocate, just like bats and whales – ScienceAlert

http://www.sciencealert.com/humans-can-echolocate-like-bats-and-whales-and-we-ve-finally-figured-out-how-it-works

Signal processing

Signal

• Description of evolution of physical phenomenon.

Analysis

• Understanding information carried by the signal.

Synthesis

• Creating a signal to contain given information.

Frequency

• How fast a signal is changing.
• Why convert from time domain to frequency domain ?

Phase

• https://www.youtube.com/watch?v=yKL6DjqAm3I