Recycling: Turning Trash into Treasure

03/03/21 • 29 min

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Recycling used to just be called "scrap metal salvage" and it was thought of as an unsavory practice. That all changed as recently as the 1970s, when it became the curb side amenity it is today and part of a multi-billion-dollar industry. Now, the question isn't can we recycle, but can we recycle everything? Innovators in the field are trying to find out.

Find out more about these innovators like Carl Zimring, Tom Szaky, Martin Bourque, Jim Puckett, Peter Christensen and Veena Sahajwalla on an all-new episode of Trailblazers. For more on the podcast go to delltechnologies.com/trailblazers

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Cryptography: The Key to Sending Secret Messages

From highly sensitive material to an emoji-filled text messages, we expect all of our communications to be private in this day and age. That wouldn't be possible without codes, ciphers and cryptography.

Over the years, cryptography has gone from simple letter-shifting to deep, uncrackable protections that can't be broken by the most sophisticated codebreakers. It's been necessary, to keep unwanted eyes out, but it has taken some real innovation to make it happen.

Encryption has been improved over the years by many, many people, some of whom are featured here — experts such as Phil Zimmermann, Whitfield Diffie, Steven Levy, Andrew Hodges and Alex Stamos.

For more on the podcast go to delltechnologies.com/trailblazers

Next Episode

Dan Rather Talks CRISPR with Walter Isaacson

CRISPR gene-editing technology has been all over the news lately, and not just because of its application in coronavirus detection and vaccine development.

Walter Isaacson's new book, The Code Breaker, tells the story of CRISPR and Nobel Prize winning scientist Jennifer Doudna who helped developed this revolutionary new technology.

In this special episode of Trailblazers, world-famous journalist Dan Rather interviews Walter about the past, present and future of CRISPR and its potential to change the future of the human race.

For more on the podcast go to delltechnologies.com/trailblazers