Erik Engheim·Feb 4, 2023The Big Rocket Showdown: Neutron vs. Falcon 9A discussion of the different design philosophies and strategies of SpaceX and Rocket LabA response icon1A response icon1
Erik Engheim·Feb 1, 2023How to Pick the Optimal Rocket EngineFrom ion thrusters to staged combustion enginesA response icon1A response icon1
Erik Engheim·Jan 31, 2023What is the Best Rocket Fuel?Rocket engines are run on Hydrogen, Kerosene and lately Methane. Is there a best fuel?A response icon4A response icon4
Erik Engheim·Feb 14, 2019Gas Mileage and Horsepower On a Space RocketWe measure the efficiency of a car engine by specifying how many kilometers it will get you per liter. Or alternatively if you are…
Erik Engheim·Aug 23, 2019Understanding Rocket EquationsHow do we arrive at the equations describing the relation between mass flow and thrust?
Erik Engheim·Jan 25, 2023Will Starship or Neutron Replace the Falcon 9 Rocket?A discussion of differences in rocket design philosophies and strategies of SpaceX and Rocket LabA response icon1A response icon1
Erik Engheim·Jan 4, 2023From The Spinning Jenny to ChatGPTPutting the rise of modern AI into a historical perspectiveA response icon10A response icon10
Erik Engheim·Jan 2, 2023Growing the World Population Will Not Lead to More InnovationElon Musk argues that we need higher population to innovate more. Here is why he is mistaken.A response icon3A response icon3
InThe StartupbyErik Engheim·Oct 6, 2020Different Small Modular Reactor DesignsLet us explore some promising SMR nuclear reactor designs.A response icon2A response icon2
Erik Engheim·Feb 7, 2021The Science of Painting and Art of ProgrammingWe tend to treat programming as a science or engineering. But is that all that it is?A response icon1A response icon1
Erik Engheim·Aug 2, 2022Gunpowder is a way of burning charcoal fastA look at what makes gunpowder go boom!A response icon4A response icon4
Erik Engheim·Jul 1, 2022“Europe has had no major technical innovations the last 60 years”Has Europe stood still since the invention of steam engines and spinning jenny? A critical look at popular myths around innovation in…A response icon46A response icon46
Erik Engheim·Dec 25, 2021Why Is the Neutron Rocket Using Carbon Fiber Composite Instead of Stainless Steel?SpaceX abandoned the use of carbon fibre composite and instead went for stainless steel in their Starship. So why is Rocket Lab sticking…A response icon3A response icon3
Erik Engheim·Jul 7, 2017Why Can Sugar be Used as Rocket Fuel?What makes something suitable as rocket fuel? We look at the chemistry and science of rocket fuel.
Erik Engheim·Aug 1, 2021Superiority of Celsius over FahrenheitWhy measuring temperatures in Celsius is preferable to Fahrenheit.A response icon17A response icon17
Erik Engheim·Jun 24, 2018Surprising Facts About ZeppelinsSince I got an interest into airships and zeppelins, I’ve realized I’ve had a lot of misconceptions. I’ve tried to compile a list of random…A response icon1A response icon1
Erik Engheim·Jun 8, 2018How Would You Build a 3D Printer Operating Without Electricity?Moving and controlling a 3D printer using fluidics control logic and pneumatic motors.
