Humans have wielded the power of radio waves for more than a century, but what exactly are they and how do we use them to transmit information? It turns out, even geniuses like Hank and Ceri have a hard time explaining that!

Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! 

If you want to learn more about any of our main topics, check out these links:

[Truth or Fail]

EROS

https://www.ncbi.nlm.nih.gov/pubmed/25788334

MOZE

https://www.nature.com/articles/s41593-019-0389-0

FReSH

http://www.nature.com/nature/journal/vaop/ncurrent/full/nature10428.html

[Fact Off]

Eidophor

https://www.earlytelevision.org/eidophor.html

https://hackaday.com/2016/03/15/retrotechtacular-eidophor-an-unknown-widely-used-projector/

http://www.film-tech.com/ubb/f1/t004319.html

http://www.earlytelevision.org/yanczer_eidophor.html

Centennial light

http://www.centennialbulb.org/index.htm

https://www.mentalfloss.com/article/66009/light-bulb-has-been-burning-1901

https://www.lampsplus.com/ideas-and-advice/how-an-incandescent-light-bulb-works/

https://spectrum.ieee.org/tech-history/dawn-of-electronics/the-great-lightbulb-conspiracy

https://www.npr.org/2019/03/27/707188193/the-phoebus-cartel

[Ask the Science Couch]

Brightest artificial light

https://www.wired.co.uk/article/brightest-light-ever-computer-chips

https://www.nature.com/articles/nphoton.2017.100

https://www.unl.edu/diocles/home

https://www.labmanager.com/research-specific-labs/2017/11/home-of-the-world-s-brightest-laser-looks-to-bring-high-quality-x-rays-to-research-medical-applications#.Xe_nrZNKhnN

[Butt One More Thing]

Firefly butt vs. LED

https://www.sciencedirect.com/science/article/pii/S0030402619300452?via%3Dihub

https://www.futurity.org/light-bulbs-leds-fireflies-1988062/