How to Make a Stone Knife

Donny Dust demonstrates how to make a knife out of wilderness materials. #TechSupport #WIRED #survivalist Still haven’t subscribed to WIRED on YouTube? ►► Listen to the Get WIRED podcast ►► Want more WIRED? Get the magazine ►► Follow WIRED: Instagram ►► Twitter ►► Facebook ►► Tik Tok ►► Also, check out the free WIRED channel…

Published

2 years ago

May 8, 2024

CYBER TECH TV

Donny Dust demonstrates how to make a knife out of wilderness materials. #TechSupport #WIRED #survivalist

Still haven’t subscribed to WIRED on YouTube? ►►
Listen to the Get WIRED podcast ►►
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23 Comments

@MrShaurya28

May 8, 2024 at 2:01 pm

The tutorial we never knew we needed ????????????

Reply
@MrShaurya28

May 8, 2024 at 2:03 pm

Every like I get I do one pull up ↙️

Reply
@S_J_banana

May 8, 2024 at 2:03 pm

Take a shot every time he says “wilderness material”

Reply
- @yourdaddy53
  
  May 9, 2024 at 11:11 am
  
  So three shots not too bad????????????
  
  Reply
@JaclynCoffman

May 8, 2024 at 2:08 pm

I just want to touch your beard ????

Reply
@jonathannunesr7146

May 8, 2024 at 2:08 pm

So.. you can make a knife way faster than making fire. That’s cool

Reply
- @Tnk...
  
  May 8, 2024 at 4:11 pm
  
  Good luck finding high silicate stone…
  
  Reply
- @jonathannunesr7146
  
  May 8, 2024 at 9:02 pm
  
  @@Tnk… shopee ????
  
  Reply
- @Jose-xh5qb
  
  May 11, 2024 at 8:04 am
  
  You can also use the knife to steal someone else’s campfire
  
  Reply
@user-sl9lk3lb4u

May 8, 2024 at 2:14 pm

I made a knife out of a peice of wood. Yes it will cut the crap outta you.

Reply
- @imarockstarification
  
  May 8, 2024 at 10:21 pm
  
  Well, crap isn’t that hard to cut
  
  Reply
@RadDadisRad

May 8, 2024 at 2:16 pm

This guy makes so many stone tools.

Reply
@MrHolden17

May 8, 2024 at 3:40 pm

When you need to reach your word count for an assignment

Reply
- @biggieb8900
  
  May 10, 2024 at 7:48 am
  
  I thought his speech was rather economical, each sentence a unique idea.
  
  Reply
@Ben-dl9sp

May 8, 2024 at 5:16 pm

Faster than going to shop and buying, prob sharper too

Reply
@paulfeasal6024

May 8, 2024 at 6:10 pm

Pretty much anything like obsidian.

Reply
@ScoVinchu

May 8, 2024 at 9:02 pm

Do I need a geology degree to determine whether the wilderness material is high in silicate?

Reply
@basvleeskruyer

May 9, 2024 at 3:29 am

One look. Subscribed

Reply
@bicuspidmars

May 9, 2024 at 4:55 am

Wilderness material

Reply
@littlefirecracker1289

May 9, 2024 at 12:53 pm

Thank you!

Reply
@eclogitetack

May 9, 2024 at 1:09 pm

Stupid af scripted question

Reply
@aubergineman4real

May 10, 2024 at 11:33 am

Wired: I’m a small creator. 🙁
Also Wired: Has access to every famous person Dead or Alive.

Reply
@Lonewolf2616

May 11, 2024 at 8:05 pm

Love donny! He’s amazing, super informative and fun to watch!

Reply

Science & Technology

Investors Are Asking AI About Your Startup

What does ChatGPT say about your startup? Dr. Eike Gerhardt explains why founders should think about what LLMs will find when investors use AI to research their companies. Watch the full episode of Build Mode with Eike and Nephrogen founder Demetri Maxim for more advice on building a stronger investor pitch.

Published

14 hours ago

September 3, 2026

CYBER TECH TV

What does ChatGPT say about your startup?

Dr. Eike Gerhardt explains why founders should think about what LLMs will find when investors use AI to research their companies.

Watch the full episode of Build Mode with Eike and Nephrogen founder Demetri Maxim for more advice on building a stronger investor pitch.

Science & Technology

A PhD in Pitching Breaks Down a Startup Battlefield Pitch l Build Mode

There is no such thing as the perfect pitch. But you can get close by implementing a few research-backed methods to your delivery, deck, and message. In this episode of Build Mode, host Isabelle Johannesen sits down with Dr. Eike Gerhardt, who has aPhD in pitching and spent nearly a decade studying the science of…

Published

19 hours ago

September 3, 2026

CYBER TECH TV

There is no such thing as the perfect pitch. But you can get close by implementing a few research-backed methods to your delivery, deck, and message.

In this episode of Build Mode, host Isabelle Johannesen sits down with Dr. Eike Gerhardt, who has aPhD in pitching and spent nearly a decade studying the science of startup pitching before starting Autopoiesis Sciences. And he’s joined by Demetri Maxim, co-founder and CEO of Nephrogen, who came in second at TechCrunch Startup Battlefield 2025.

Together, they break down Demetri’s actual Startup Battlefield pitch to unpack what worked, what could be improved, and what research tells us about how investors respond to founders. Eike explains why credibility signals matter, how technical founders can simplify without oversimplifying, and why Q&A should be treated as a second pitch. Demetri shares how he learned to explain complex biotech to generalist investors, how redesigning his deck changed his confidence onstage, and what he would do differently today.
They also explore how body language and authenticity affect a pitch, how investor questions can reveal bias, and how founders can use AI to prepare for difficult Q&A.

Here are the studies mentioned in the episode:
Kanze, D., Huang, L., Conley, M. A., & Higgins, E. T. (2018). “We Ask Men to Win and Women Not to Lose: Closing the Gender Gap in Startup Funding.” Academy of Management Journal
Figge, P., Graf-Vlachy, L., König, A., Demann, F., & Diessner, M. (2025). “Shades of Grey or Black and White? How Entrepreneurs’ Use of Cognitively Complex Language Affects Investor Funding.” Entrepreneurship Theory and Practice
Clarke, J. S., Cornelissen, J. P., & Healey, M. P. (2019). “Actions Speak Louder than Words: How Figurative Language and Gesturing in Entrepreneurial Pitches Influences Investment Judgments.” Academy of Management Journal
Jiang, L., Yin, D., & Liu, D. (2019). “Can Joy Buy You Money? The Impact of the Strength, Duration, and Phases of an Entrepreneur’s Peak Displayed Joy on Funding Performance.” Academy of Management Journal.
Chen, X.-P., Yao, X., & Kotha, S. (2009). “Entrepreneur Passion and Preparedness in Business Plan Presentations: A Persuasion Analysis of Venture Capitalists’ Funding Decisions.” Academy of Management Journal
Zhu, L. Y., Young, M. J., & Bauman, C. W. (2024). “Linking Anxiety to Passion: Emotion Regulation and Entrepreneurs’ Pitch Performance.” Journal of Business Venturing
Allison, T. H., Davis, B. C., Webb, J. W., & Short, J. C. (2017). “Persuasion in Crowdfunding: An Elaboration Likelihood Model of Crowdfunding Performance.” Journal of Business Venturing
Clark, C. (2008). “The Impact of Entrepreneurs’ Oral ‘Pitch’ Presentation Skills on Business Angels’ Initial Screening Investment Decisions.” Venture Capital

Subscribe to Build Mode:
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New episodes of Build Mode drop every Thursday.

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Uber, Wayve Unleash Supervised Robotaxis in London

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Published

19 hours ago

September 3, 2026

CYBER TECH TV

Uber now lets you book a robotaxi in London — but you’ll still be joined by a human in the front seat.

Olivia Solon explains why.
——–
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