On the movements of the Moon
2024-04-26 12:33 A great deal of people seem to believe the Moon is only up at night.  I think it is because the crescent is used as a symbol for night-time.  Neither do they spend much attention at what one can see i...
Distances in space
2024-04-24 12:31 It can be hard to grasp exactly how empty space is.  The astronomer David Morrison once got the question: What keeps the planets in their orbits? His answer begun with the sentence: Well, there is ...
The myth of the arbitrary movements of the heavenly bodies
2024-04-18 12:49 Many seem to lack basic knowledge on the movements of the heavenly bodies.  This applies to things like the following: • The direction of the Sun’s rising and setting varies over the year. • The tim...
Radioactivity, fission and fusion
2024-04-12 12:52 Radioactivity is about certain elements – or variants of them – in course of time decaying.  Most such which has been found have never been observed to decay.  A smaller fraction has and then emit ion...
What is radiation?
2024-04-10 12:06 A great deal seem to believe everything called “radiation” to be dangerous.  I think it is because the ionising was first payed attention to as such.  Which has then been overgeneralised to apply to a...
Absolute dating
2024-04-05 16:16 Oftentimes we can know how old something is.  Not just though written history as some have gotten stuck into.  It is entirely possible to find out the age of things with natural scientific methods too...
Orders of magnitude matters
2024-03-21 12:39 It is important to keep track of which order of magnitude something has.  Otherwise one’s concepts of nature risk becoming far too erroneous.  Which in turn creates needless fear.  Changes in nature o...
The limits of oral tradition
2024-03-13 13:18 Among pseudohistorians there is an overconfidence in oral traditions.  Detailed knowledge of the past is believed to be passed on for millennia.  To me this appears preposterous.  In excess of the lim...
On digital images
2024-03-07 12:55 Most types of digital images have a limited resolution.  One can’t get as much information one likes out of them.  Many over-interpretations of such are based on attempts to get information out which ...
The problems with UFO reports
2024-03-06 12:37 UFO was originally acronym for unidentified flying object.  Unfortunately, there are a lot believing everything which is unidentified have to be made by aliens.  The result is there now being “ufologi...