Quizzes & Puzzles4 mins ago
Science
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Are you male or female?
Are you afraid of frogs?
Are you afraid of turtles?
Are you afraid of snakes?
Are you afraid of lizards?...
Not the jet stream itself, of course - I'm sure it's still happily wending its meandering path in the upper atmosphere high above us, as always. But until about 12-18 months ago, we used to get a...
Is it possible to make a compound camera lens, perhaps using materials like Iceland Spar, which could simultaneously focus comparatively well on two objects, one near, one far, while leaving the...
Is there a unit of measurement in which all superpowers (like super-speed, strength, Fire power etc.) can be compared with/to another superpower to see the stronger superpower by measuring aspects of...
anthropology question
I am aware that humans are most likely to do something and be engaged with it if they have some control over what happens. Is this a particular area of psychology? Is there a formal name for this? I'd...
is there a method or way so that my teaching tool (video) will be seen by science students?
What is visible lights range
If I understand Steven Hawking, the Big Bang created positive energy (including mass) and an equal amount of negative energy, which resides in space. Can space disappear? For example, can a Black Hole...
Live coverage of Ingenuity's latest attempt at flight on Mars at 11:15:
https:/ /www.yo utube.c om/watc h?v=p1K olyCqIC I&a b_chann el=NASA ...
This is the tagline for the current Rennie (?) advert. Surely that's not scientifically possible?
igneous rocks are classified based upon their mineral composition and
You know when scientists talk about Muons.
They write Muon-2g
What does 2g stand for.
Much appreciated...
TV news. No link. Looks interesting.
Theoretically,if we shine particles travelling faster than the speed of light on a black hole,can we see the singularity inside?
As we all know, in school we are taught gravity IS a force. However, the truth is that according to the theory of general relativity gravity is NOT a force, rather a curvature in spacetime. Can...
This is for my health economics class. Answer needs to be a good length...
How can clouds of gas in the vacuum of space coalesce to produce the enormous pressures and temperatures necessary to begin fusion?...
https:/ /youtub e.com/w atch?v= pUF5esT scZI&am p;featu re=shar e...
This came up today: Understand the energy bit. Understand the mass bit. Get the square of the speed of light. But, clearly, you can measure the speed of light as per second or per hour. They are...