Physics is a natural science that involves the study of matter and its motion through spacetime, as well as all related concepts, including energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.

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589 views

Is Starlite a hoax?

About 40 years ago, Maurice Ward, a hairdresser and amateur chemist, developed a plastic that was said to be resistant to extreme heat. Able to withstand a laser beam that could produce a temperature ...
42
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1answer
4k views

Did Benjamin Franklin perform an experiment by flying a kite in a lightning storm?

Is there any credible evidence that Benjamin Franklin actually did his famous kite experiment?
6
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2answers
589 views

Is this CCTV video about a chair moving by itself in Essex theatre fake?

from various sources around the internet Daily Mail Is this theatre haunted? CCTV footage captures the spooky moment a chair moves all on its own... hours after a medium's show Get ready to feel ...
8
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1answer
322 views

Can lightning bring down a plane?

Some early reports by witnesses to the Air Algérie Flight 5017 crash claim that lightning caused the plane to crash: A GROUP of herders who say they saw Air Algerie flight AH5017 crash claim it ...
39
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2answers
5k views

Is it safe to stand by the windows during a thunderstorm?

There is widespread belief in my culture that we should not stay near door or windows during lightning. So people advise others to stay inside house with doors and windows closed to be safe from ...
2
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1answer
334 views

Did the Curiosity Rover take its own hands-free selfie?

Time Magazine had an article with a photographic portrait of the Curiosity Rover on Mars, attributed to NSA/JPL. Here's another version: This photos seems like it would be impossible to take. I ...
12
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0answers
391 views

Is this a way to survive a lightning strike?

source Text in the image (clockwise): Crouch down low like a baseball catcher. Get as low as you can. The nearer you are to the ground, the less likely you are to be struck by lightning. ...
19
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1answer
593 views

Does sleeping naked in a sleeping bag keep you warmer?

The most popular question on outdoors.SE is Is it warmer to sleep naked in a sleeping bag? Now, all the answers over there are not properly researched and it was suggested in one of the ...
1
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0answers
57 views

Is there a non-ionizing, non-heating mechanism by which cell phones can damage sperm? [closed]

I'm aware that a similar question has been asked before, but I'm hoping my questions are different enough to warrant a new post. Does the presence of a cellphone affect sperm count or heart rate? I ...
6
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1answer
2k views

Is our moon moving away from earth?

I was reading articles on the Moon and I came across this article which states that the Moon moves away from Earth at the rate of 2.5 CM/Year whereas in the other article it states that it moves away ...
5
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1answer
302 views

Did the isolation condensors fail at Fukushima Daiichi? Was human error involved?

The reactors at the Fukushima Daiichi nuclear power plant in Japan were overflowed by a tsunami following the Tohaku earthquake of 2011. Consequently, a power outage at the station disabled the ...
46
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2answers
8k views

Will a bullet be split in half if it hits a butter knife that is fixed in place?

I was reading a manga, and I saw this: So I was wondering. Will a bullet be split in half if it hits a butter knife that is fixed in place? Have there been experiments to test that?
3
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0answers
192 views

Is a weaver's knot more secure with both ends on the same side?

There are two different ways one can make a weaver's knot. One has both ends on the same side (a) the other on opposite sides (b). Pictures and a statement "the two free ends should end up on the ...
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1answer
224 views

Is Newton's first law not true beyond the edge of our universe? [closed]

To clear any confusion, we can say space is infinite. However, we can say that space has edges; these edges are the furthest bit of matter in a certain direction. Beyond that is matterless space - a ...
9
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1answer
2k views

Did the Quran predict the speed of light?

It appears to be popular to claim that the Qur'an predicted the speed of light before it was scientifically well understood. Although none of the sources state that outright, that is what they imply. ...
15
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2answers
3k views

Does GPS use General Relativity?

Sources on the internet claim that the GPS system requires Relativity to work (xkcd). I've searched information about the GPS system, how it works and how it was set up, reading information from many ...
6
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1answer
379 views

If the viewable part of lightning goes from the ground up, why does it look like lightning goes from the sky down? [closed]

According to here, it seems like the visible portion of lightning comes from the ground up; however I watched some slow motion YouTube videos, and it is clear that the lightning appears to be ...
0
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0answers
168 views

Can a plastic tent keep contaminants out and emulate a safe clean room?

I was reading an article on why opening the cover of a hard drive was a bad idea. In the article, the author mentions that the safest way to open the cover of a hard drive was to do it in a class 100 ...
6
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1answer
2k views

Do water molecules change when you talk to them?

I've heard that saying something nice in front of water changes the water molecules shape into a nice shape and saying something bad in front of it makes the molecules align in a bad order (ugly one). ...
4
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0answers
148 views

Do directional (not asymmetric) tread patterns reduce hydroplaning?

Treaded tires are better than smooth (slicks) tires in the rain to reduce hydroplaning. What is the evidence the directional tires (not asymmetric tires) give measurably better performance? If you ...
28
votes
5answers
11k views

Is the “Back to the future” Huvr board real?

This website is promoting a hovering skateboard. As far as my knowledge can tell, this seems fake. The only two known technologies I know of which can hover like that are magnets and quantum ...
6
votes
2answers
327 views

Is 'Higgs Boson' called the 'God Particle' because of a book by Leon Lederman?

Why is 'Higgs Boson' called the 'God Particle'? According to Forbes The name was the invention of Leon Lederman, himself a great physicist, who used it as the title of a popular book in 1993. ...
1
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0answers
183 views

Tensile strength of bone & the bible [closed]

The Bible says that Samson "found a moist jawbone of a donkey, and put forth his hand and took it, and killed with it a thousand men." How many Philistines could one actually slay with the moist ...
5
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3answers
677 views

Do tinfoil hats protect against any sort of radiation?

Delusional conspiracy theorists are commonly portrayed as wearing tin-foil hats to protect against mind-control rays from sinister organisations such as ...
2
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2answers
522 views

Can people run on water?

There have been a few videos around since as far back as 2010 that people can run on water. This is less commonly called Liquid Mountaineering. This is apparently a new sport but I have only ever seen ...
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0answers
5k views

Will wrapping a bottle in a wet paper towel make it chill faster?

Example of the claim: Take a couple paper towels and wrap them around your beer, then douse it in water. It should be soaked but not dripping (you don't want ice forming in your freezer). Air is ...
26
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1answer
953 views

Can the health of an alkaline battery be determined by bouncing it?

I was just sent a YouTube video, which appears to demonstrate that one can determine the "health" of a battery (current voltage, useful lifetime remaining, etc.) by bouncing it on a level surface. A ...
7
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0answers
230 views

Is there a letter from Bohr about the 1950 Nobel prize?

César Lattes had some important participation in the discovery of the the pi meson, but the Nobel prize was awarded to Cecil Powell alone. There are claims that Niels Bohr left a letter explaining ...
13
votes
1answer
3k views

Did January 2014 American snowfall char and burn when exposed to fire?

This site, ‘Fake Snow’: Videos In Multiple States Show Strange Snow That Doesn’t Melt Normal, Burns, Smells of ‘Plastic’, shows several videos and images of people burning snow they collect from ...
13
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1answer
893 views

Is the 500-mile email case true?

According to the author of this story, an improperly configured email server had too strict timeout settings which effectively limited its communication radius to 500 miles. The author states it's ...
2
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1answer
2k views

Does the Theradome Laser Helmet deliver around 7 J/cm2 to the head?

The Theradome Laser Helmet is claimed by its manufacturers to promote healthy hair growth. In this infographic, they claim it delivers energy to the skull at a concentration of 6.959 j/cm2 - ...
7
votes
0answers
258 views

Could the wristwatch worn by Felix Baumgartner be the first wristwatch to break the speed of sound?

Recently I was really surprised to know that Zenith watch brand claims that because Felix Baumgartner was wearing a specific model of their wristwatch during his famous Stratos Mission freefall that ...
13
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5answers
90k views

Is this tealight-flowerpot heater more efficient than just tealights?

This article at the Daily Mail describes a small heater based on tealights and flowerpots. It claims that [the system] "make[s] the heating more efficient" (I assume in comparison to just ...
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0answers
305 views

Is this pseudo science or real: code found in superstring [closed]

Video in question: Strange Computer Code Discovered Concealed In Superstring Equations! Problem: no credible looking or sounding site has anything on it. Only bunch of youtube videos. And some sites. ...
7
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1answer
2k views

Has Reidar Finsrud created a perpetual motion machine?

I found some websites claiming a Norwegian artist (Reidar Finsrud) created a true perpetual motion machine. Perpetual motion is a concept that would violate both the first and second thermodynamics' ...
3
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0answers
1k views

Is this a true demonstration of using a stove to power a paper airplane?

The viral YouTube video, (over 1.1m views at the time of positing), How To Make A Paper Airplane Fly Forever - INFINITY PAPERPLANE purports to show a basic paper plane being flown in continuous ...
0
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1answer
354 views

Is it possible for Armavir to see ballistic missile over Mediterranean (how high was it)? [closed]

Some time ago there were several statements about missile launch detection over the Midterranean using russian Station Armavir: ...
4
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1answer
655 views

Were two ballistic missiles fired from Spain towards Syria?

The Lebanese news sitem Almanar News cites an anonymous source claiming that two missiles were fired by US forces in Spain towards Syria. They were detected by Russia, it sparked an international ...
26
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1answer
1k views

Did this building cause carpet to burn and cars to melt?

The BBC reports that a building with curved glass in London appears to have caused damage nearby as a result of the architecture focusing the sun's rays. Seems plausible enough to me, but is this ...
14
votes
1answer
836 views

Can differential friction explain a statue turning around?

Apparently in the Manchester museum, an Egyptian statue turns around while in a sealed display case. There is time-lapse footage of the statue, and in the article, Brian Cox is quoted as saying that: ...
16
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1answer
2k views

Does the Gravitational constant fluctuate?

Rupert Sheldrake recently had a TEDx presentation removed from the TEDx web-site, for making various controversial claims, basically calling all of science into doubt. I am highly skeptical about ...
8
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1answer
4k views

Do “liquid solar blankets” work to stop heat from escaping a swimming pool?

There are products on ther market that claim to spread a thin layer of proprietary transparent liquid over the surface of your pool to reduce evaporation and thus retain heat. One product is ...
5
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0answers
1k views

Graphene “heat sink” sticker for your mobile phone battery

This product (Japanese language) is claimed to cool down your smartphone, etc, battery by two degrees centigrade - see the photo a little way down the page. It claims to be a graphene-based material, ...
15
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1answer
1k views

Is D-Wave Systems's “D-Wave One” a quantum computer?

D-Wave Systems claim to have produced the first commercial quantum computer: The company's flagship product, the D-Wave One, is built around a novel type of superconducting processor that uses ...
5
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3answers
491 views

Does physics give a climate sensitivity to carbon dioxide of about 3°C?

A letter to the editor of the Economist from Professor Anders Levermann of the Potsdam Institute for Climate Impact Research stated the following: The IPCC’s range on sensitivity is supported by, ...
1
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1answer
583 views

Time traveling machine invented?

Yesterday a news said that an Iranian scientist claims to have invented a 'time machine' that will allow one to 'travel' up to 8 years into the future to predict with 98% accuracy the future for any ...
3
votes
3answers
2k views

Misconceptions about electric theory

Electric misconceptions This is a fairly big question, and is divided into three parts. One part is a separate question. The site lists several common misconceptions, and what the correct way of ...
0
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1answer
490 views

Can HAARP warp space-time? [duplicate]

According to this article A brilliant physicist published a revolutionary paper citing 30 other scientific papers that reveal HAARP has incredible powers far beyond what most investigators of the ...
6
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2answers
4k views

Can a loudspeaker make water stream form a zig-zag flow?

If you watch this Amazing Water & Sound Experiment #2 YouTube video, you can see an amazing effect with water, a sinusoidal signal and a woofer. Is this a true effect due to vibration of the ...
2
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1answer
917 views

Was time travel achieved and then hidden from the public? [closed]

Background Without getting in too much details and going off-topic, I just want to say I personally find that the idea of time travel is ridiculous, at least in the current frame of physics and our ...