Dr Karl | an answer looking for a question

menu

Dr Karl

Home / NASA’s space pen

NASA’s space pen

NASA's space pen

Tuesday 21st January 2020 10:30 am

The truth behind NASA’s ‘billion dollar’ space pen.

Read more here:: NASA’s space pen

tags:

© 2025 Karl S. Kruszelnicki Pty Ltd

Comments

Leave a Reply Cancel reply

Find Karl on Instagram

Catch me & a stellar line-up of scientists and com

Catch me & a stellar line-up of scientists and comedians in The STEAM Room show this Thursday 4 May @Enmore_Theatre, @sydneycomedyfestival. Laugh, learn and laugh some more. ♨️ 😂
Grab tix here 👉 bit.ly/40S9QXf

Do bees have knees? The answer is a mix of Entomol

Do bees have knees? The answer is a mix of Entomology and Etyomology.

How often are you washing your sheets? Science say

How often are you washing your sheets? Science says probably not enough!

March 2, 2023, Sydney WorldPride, @dralicemotion T

March 2, 2023, Sydney WorldPride, @dralicemotion Triple J guest on Science Hour with @lcysmth . Alice has Chemistry knowledge that I don’t have - Hoorah!

Instagram post 17873725064836192

Instagram post 17873725064836192

Lucy Smith and I after the Triple J show today

Lucy Smith and I after the Triple J show today

Instagram post 17952747620428118

Instagram post 17952747620428118

The average person farts about 1.5 litres/day. How

The average person farts about 1.5 litres/day. How much Mass (not weight, my bad, I made a mistake) do you lose?

Come and join me for 'Great Moments in Dog Science

Come and join me for 'Great Moments in Dog Science – The Top 5 Things You Didn’t Know About Your Pooch!' followed by an interactive Q&A with Dr Katrina Warren, Kelly Gill and the WONDERDOGS, and new Bondi Vet, Dr Danni Dusek.

They'll be book signings too.✍️

October 14-16, Melbourne Convention and Exhibition Centre. Tickets are limited - so get booking!
👉 https://bit.ly/3RNyoMF
🐶

RESCHEDULE: Presenting a jam-packed hour of amazin

RESCHEDULE: Presenting a jam-packed hour of amazing ideas, incredible facts, loud shirts, and hilarious anecdotes, this is Dr Karl like you've never seen him before - don't miss out. #BelatedScienceWeek2022
Note this show is 16+.
Tickets 👇
bit.ly/ComedyStoreDrKarl