Andy Tomaswick

Hudson

Writer at Universe Today

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Articles

Red Planet's Core May Explain Strange Mystery of Ancient Magnetic Field

2 days ago | sciencealert.com | Andy Tomaswick

Scientists have known for a while that Mars currently lacks a magnetic field, and many blame that for its paltry atmosphere – with no protective shield around the planet, the solar wind was able to strip away much of the gaseous atmosphere over the course of billions of years. But, evidence has been mounting that Mars once had a magnetic field.
Drones on your mind? Brain-controlled UAVs take a step forward

2 weeks ago | electronics360.globalspec.com | Andy Tomaswick

Controlling unmanned aerial vehicles (UAVs) is a challenge that has become increasingly important over the past few years, especially given their growing importance across a variety of applications, from surveying and delivery, to infrastructure inspection and warfare. However, the vast majority of UAV accidents, which occur at a rate of about 24 per 100,000 hours of flight time, happen because of human error. Various labs are working on potential technological solutions to reduce that rate.
Flocks of CubeSats can efficiently monitor farms

2 weeks ago | phys.org | Andy Tomaswick

The widespread use of low Earth orbit (LEO), especially by thousands of CubeSats, has opened up many opportunities in research and business applications. One particular field that has benefited from the data that CubeSats provide is farming.
Our understanding of the physical properties of galaxies could be wrong

2 weeks ago | phys.org | Andy Tomaswick

Up until recently, astronomy was reliant entirely on electromagnetic waves. While that changed with the confirmation of gravitational waves in 2016, astronomers had developed fundamental frameworks in the electromagnetic spectrum by that point.
Terraforming Mars Isn't Impossible. New Study Describes First Step.

2 weeks ago | sciencealert.com | Andy Tomaswick

Terraforming Mars has been the long-term dream of colonization enthusiasts for decades. But when you start to grapple with the actual physics of what would be necessary to do so, the effort seems further and further out of reach. Depictions like those of Kim Stanley Robinson's Mars Trilogy are just wildly unrealistic regarding the sheer amount of material that must be moved to the Red Planet to achieve anything remotely resembling Earth-like conditions.
Students design a mission to Venus on the cheap

3 weeks ago | phys.org | Andy Tomaswick

Sometimes, the best way to learn how to do something is just to do it. That is especially true if you're learning to do something using a specific methodology. And in some cases, the outcome of your efforts is something that's interesting to other people.
Modeling lunar in-situ resource utilization can help plan future prototypes

3 weeks ago | phys.org | Andy Tomaswick

In-situ resource utilization will likely play a major role in any future long-term settlement of the moon. However, designing such a system in advance with our current level of knowledge will prove difficult, mainly because there's so much uncertainty around both the availability of those resources and the efficacy of the processes used to extract them.
A new company plans to prospect the moon

1 month ago | phys.org | Andy Tomaswick

Helium-3 (He-3) on the moon's surface has drawn attention for decades. In 1939, a paper first noted the presence of Helium-3 on the moon. Still, it really came into the collective consciousness of space resource enthusiasts during the 1980s when they realized just how valuable a resource it was and how much the moon had of it.
A New Company Plans to Prospect the Moon

1 month ago | universetoday.com | Andy Tomaswick

Helium-3 (He-3) on the Moon's surface has drawn attention for decades. In 1939, a paper first noted the presence of Helium-3 on the Moon. Still, it really came into the collective consciousness of space resource enthusiasts during the 1980s when they realized just how valuable a resource it was and how much the Moon had of it.
Watching the power of supermassive black holes with X-ray interferometers

1 month ago | phys.org | Andy Tomaswick

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like Hubble and James Webb, don't even touch that bandwidth. And Chandra, the most capable space-based X-ray observatory to date, is far less well-known. However, some of the most interesting phenomena in the universe can only be truly understood through X-rays, and it's a shame that the discipline doesn't garner more attention.