May 2020
Space astronomy at the limits of technology
... were delivering tank after tank of this helium, which we brought to the superfluid state. First we used a little carbon dioxide, then a little liquid nitrogen, and eventually we cooled it down to the point where it became superfluid helium. We knew...
November 2020
The alien hunter’s field manual
.... They will not be able to detect oxygen but could search for signs of chemical disequilibrium in methane and carbon dioxide. During this decade several gigantic ground-based telescopes will be built: the Giant Magellan Telescope (GMT...
November 2020
Space medicine and terrestrial health care
.... Telemedicine technology testing during SIRIUS-17 experiment. Such admixtures can reduce respiratory distress associated with carbon dioxide increase in the blood. Inhalations with oxygen-helium admixtures have already found use in clinical practice...
May 2022
Design architecture for 3D printing a lunar habitat
... efficiency of plant cultivation, hydroponics, animal protein production, micro-algal and lettuce production of oxygen and carbon dioxide to gaseous homeostasis, water recycling, recovery of nitrogen from urine, and bioconversion of solid wastes into...
October 2024
The Human Spaceship - Off Balance
... of blood flow to the eye, possibly inducing phosphenes. This can be caused by microgravity conditions or breathing in too much carbon dioxide. Phosphenes can cause colours and shapes (visual worms and geometric patterns) in the visual system of your...
10 January 2018
Possible recipe for life on early Earth
... acetyl coenzyme A (or acetyl-CoA) which can be found in carbohydrates, fats and proteins and transforms it into carbon dioxide as a waste byproduct. The cycle, also known as the tricarboxylic acid cycle (TCA), is so important to many biochemical...
