chewie1979
large_eddy
chewie1979

It could be a Dyson swarm which is basically a loose connection of structures rather than a solid sphere.

This cyclist committed a very minor traffic violation. His punishement is a ticket and probably a $100 fine. It is hard to argue that his violation reasonably contributed to the incident because the motorist did not behave reasonably. You could not predict, prior to the incident, that the motorist would attempt to run

Yes. Skip running them off the road with your car...lets be clear this is attempted murder. If you see someone not come to complete stop pull out your piece and smoke that minor traffic offender.

“What I said was, the biker contributed to his situation by passing on the DY and physically putting himself there when he shouldn’t have been.”

Errr....no. What you are saying would be true if he were struck by an oncoming vehicle but that is not what happened. The motorcyclist could not have foreseen that the car

Well hordes of frothing progressives would rather see something like a social democracy or democratic socialism which has been very succesful in the Scandanavian countries. Not many progressives in the U.S. want soviet era communism.

I don’t really know anything about the paleo diet, however, is it not feasable to say that paleolithic people did consume less carbohydrates as a percentage of their diet than the daily recommended amount back then? People 60 years ago certainly did.

Light and electromagnetic radiation, these days, are used interchangeably. Traditionally light referred to the visible portion of the spectrum because that was the only part we knew existed for a very long time. All radiowaves are electromagnetic waves (or light) but not all electromagnetic waves are radiowaves.

Physicist here. These days we use light to refer to electromagnetic radiation of any wavelength. Back in the day it was more common for “light” to refer to just the visible spectrum (mainly because we weren’t aware of the rest of the spectrum) but not so much anymore. I think it should have been left off of the quiz.

Every copying error during DNA replication made by polymerase within a replisome is a potential transitionary step to a new species. With enough of these errors you wind up with something that differs enough from its parent population that it is called a new species. The way in which paleontologists decide if enough

I don’t think they know if it is an ancestor or a relative yet. It is definately a member of the homonid family tree though.

I think they are fairly sure that it is related to homo erectus or habilis but they aren’t sure if it is an ancestor or an extinct cousin. They probably based this off of skeletal comparisons. Additionally, even if it is a relative that branched off of habilis or erectus, it could have lived alongside hominids for a

Yes it matters. Just like it matters for any highly specialized field. Your armchair opinion, for example, about physics would matter less than the consensus opinion of actual physicists.

Radiocarbon dating as an upper limit. If the age of the fossil’s exceed that limit, radiocarbon dating will not work. They have to uses a more sophisticated method like potassium argon dating. The problem with those dating methods is that they require special circumstances to work.

It is the oldest (or furthest away) but not by much (give or take a half billion years lol). The milky way galaxy is about the same age.

It might not matter how powerful our telescopes are. If the universe is infinite in size but finite in age the light from objects more distant than this would not have had enough time to reach us if it takes longer than the age of the universe for it to propagate to us.

The universe is thought to be infinite in size but finite in age. This means that we may not be able to see “deeper” because there hasn’t been enough time for light to travel from those distant regions of space to us in the time that the universe has existed even though there is more universe beyone our visible

This is true. But they aren’t just interested in space-time bending. They are interested in gravitational waves which are created by accelerated masses. In effect, they are interested in the time evolution of space-time bending created by mass accelerations.

Since the early 90s. However they used to be a joint project between NASA and the ESA but NASA dropped out in 2011 due to lack of funding. LISA Pathfinder is testing technologies needed for the full LISA interferometer. I was a member of the LIGO collaboration when I was in grad school a decade ago and saw numerous