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Questions tagged [consumer-products]

Use this tag for questions about the effectiveness of products which are sold to end consumers. Typically this is used for claims about products when there is no more specific tag available, such as [medicaments] or [natural-remedies].

69
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1answer
8k views

Can you sharpen scissors by cutting Aluminum foil?

I needed to sharpen a pair of scissors, so I did a quick Google search to learn the technique. I was very surprised to find a number of sites suggesting that scissors can be sharpened by cutting a ...
64
votes
2answers
13k views

Are there any laws preventing the copying of keys containing a DO NOT DUPLICATE stamp?

While I worked at Walmart during college in the states, we would copy keys for customers, unless the key looked like this. We were told that it was illegal to copy such keys, however, customers would ...
46
votes
3answers
36k views

Does regularly drinking from a plastic container cause cancer?

I drink water from my plastic cup regularly and a friend commented that it could cause cancer. He also added that I should not heat food in plastic containers or wrappings in the microwave as that ...
43
votes
1answer
3k views

Do LED light bulbs last as long as claimed by the manufacturers?

Manufacturers routinely claim that their LED light bulb can last from 20,000 hours to 50,000 hours: Anecdotes, such as this one suggest otherwise. Daily mail wrote: More than a quarter did not ...
41
votes
1answer
17k views

Was superglue invented to seal bullet injuries in Vietnam?

I cut myself recently and used superglue to seal the wound. I thought it was normal but when I tell people that act like I'm crazy. Then I tell them this story: Superglue was invented during the ...
39
votes
3answers
14k views

Does Ryanair use cookies to raise the price of their tickets after you have visited the site before?

According to this website, this and a few others, apparently, RyanAir uses cookies to detect whether you've been to the site before and increases the price, presumably because it believes if you're ...
36
votes
3answers
7k views

If I buy “flushable” wipes, can I flush them without problems?

I know they say "Flushable" right on the package, but are they? Do they break down fast enough to not cause problems in septic/sewer systems?
35
votes
3answers
3k views

Did car and oil companies actively try to suppress electric cars' development?

According to some (e.g. the documentary film Who Killed the Electric Car?), car and oil companies have actively tried to suppress electric cars' development. Electric cars seem to have technological ...
35
votes
1answer
4k views

Are old car models more reliable than new ones?

I heard that components from older cars (like the ones before '92-93) are more resistant than the ones from new cars. New ones are made from cheap elements, so if you push them to the limit they will ...
34
votes
2answers
40k views

Do magnetic water softeners work?

I'm extremely skeptical of the idea of magnetic water softeners (strong magnets attached to pipes), but desperately wish it were true because I hate lugging 40# bags of salt out to my well house in ...
30
votes
1answer
7k views

Can running a fan while sleeping in a closed room cause death?

It is a widely held belief in South Korea that you can suffocate if you leave a fan running in a closed room while you sleep. Is there any truth or science behind this? (See Wikipedia on Fan Deaths)
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 ...
27
votes
2answers
73k views

Does Louis Vuitton burn all their unsold bags?

It first ran across the notion with this meme Every year Louis Vuitton burns all their unsold bags A google search yields lots of results but none of them seems credible. Snopes yields nothing. ...
27
votes
2answers
3k views

Can tapping the top of a soda/pop stop it fizzing over?

People often tap the top of coke cans to stop them foaming over like this: Is there any evidence to suggest that tapping the top stops this happening?
27
votes
2answers
58k views

Will sticking a knife into a toaster electrocute me?

As a child, do you remember being told not to stick metal utensils into the toaster to unlodge toast? If by chance that utensil touches the wrong thing inside of the toaster, you could be easily ...
26
votes
2answers
6k views

Does The LEGO Group produce more tires than any other tire manufacturer?

This claim, mentioned in the title text of the most recent XKCD, is one that I've heard before. The LEGO Group is already the world's largest tire manufacturer. This time, however, I did some ...
26
votes
1answer
6k views

Is this “Remove child before washing” clothes label real?

The image below went somewhat viral: It shows a clothes label with the text "Remove child before washing". Is this an actual clothes label of an actual commercially available piece of clothing? Or ...
25
votes
1answer
1k views

Does immersing a wet phone in rice prevent it from dying?

There is a tale spreading around about people who have supposedly resuscitated their cell phones using bags of rice after dropping them in water or otherwise getting them soaked. The supposed science ...
24
votes
3answers
2k views

Is looking at an IR transmitter bad for your eyes?

I've seen some warnings regarding IR sensors and transmitters such as the 4th panel below for the Nintendo 3DS: The Operations Manual says, Do not get too close to the infrared transceiver ...
23
votes
2answers
3k views

Do fruit/vegetable washes effectively remove pesticides?

Is there any evidence to suggest that commercially available fruit/vegetable washes can effectively remove pesticides from produce? Here are some example claims: Veggie Wash uses natural cleaners ...
23
votes
1answer
3k views

Does copy paper become “old and yellow”?

I have a part-time job at a place where printing, copying, scanning, faxing, and shredding happens every day. Thus, we have about two large cabinets with about 56 reams of paper (packs of 500 sheets) ...
22
votes
2answers
2k views

Ultrasound pest control devices

A couple times I've seen advertised on TV and in supermarkets electronic devices that allegedly irritate all sort of insects and rodents, such as mosquitoes, mice, and rats, forcing them away from the ...
20
votes
2answers
21k views

Are bone conduction headphones safer with regards to hearing loss?

In this video, at about 1:35, a claim is made that bone conduction headphones are safer with regards to hearing loss, because the sound doesn't "affect the eardrum". Is that true? I thought hearing ...
20
votes
1answer
19k views

Can table salt damage a dishwasher?

The manual for my dishwasher as well as the warning sign on a box of dishwasher salt says that you should never load food salt into the water softener because it will damage the ion exchanger. Given ...
20
votes
2answers
849 views

Do some ingredients in lip balm cause dry lips?

According to this LifeHacker article, some brands of lip balms actually cause the problem of dry lips rather than solve it. America News Now spoke to dermatologist Gary Slaughter, who found ...
19
votes
1answer
73k views

Does laying LCD screens flat harm them?

Some colleagues told me recently that you should not lay LCD screens (e.g. TVs and computer monitors) flat. They should never be put face down horizontally, but kept vertical, or they may go bad. If ...
19
votes
1answer
2k views

Is the Coca-Cola recipe a secret?

Is the Coca-Cola recipe a secret? I would like to draw attention to the distinction between a recipe and composition: Composition: a list of all ingredients, including quantity/proportion. Recipe: ...
19
votes
1answer
5k views

When washing-up, is it unhealthy to omit the rinsing stage?

Some people do their dishes and leave the suds on, letting it air-dry, or using a towel. Some rinse it off. I cannot understand the British habit of washing and rinsing dishes in the same dirty ...
18
votes
2answers
2k views

Against the law to spray-clean not according to label directions?

I have a bottle of Clorox Clean-Up Cleaner with Bleach, marketed for sale in the United States. Its label reads, in part (and with emphasis removed): Directions for use: It is a violation of ...
17
votes
1answer
35k views

Do copper bracelets help arthritis?

Many people tell me to wear a magnetic or copper bracelet to improve my arthritis is there any science behind this? Many online shops sell copper bracelets containing magnets for their health effects. ...
17
votes
1answer
3k views

Do desktop computers catch fire (often)?

My housemates don't want me setting up a home server because of fire hazard, I've seen very little, if anything, pointing to desktops causing fires, just laptop batteries (Can overheating laptops ...
17
votes
1answer
1k views

Do expensive mattresses give better quality of sleep?

I'm currently shopping for a mattress, and prices range from $200-$2000+. My current mattress is a $500 IKEA memory foam mattress, and I feel like I get a good night's sleep, but if it could be shown ...
17
votes
2answers
8k views

Do LED lights of any colour damage your eyes?

There is a Daily Mail article from May 2013: Do 'environmentally friendly' LED lights cause BLINDNESS? In the article, they specifically focus on blue LED lights and the wavelength of this light ...
16
votes
2answers
2k views

Do bar-codes contain “The Number of the Beast”?

I've encountered lots of people and some other sources that claim that every bar-code contains the number 666 and is therefore "The Number of the Beast"? The first thing a scanner looks for when ...
16
votes
2answers
3k views

Does 32 g of Gatorade powder contain 33 g of carbohydrates?

A screenshot of the nutrition facts of a can of Gatorade powder was posted on my Facebook feed: The label reads "Per 32 g (about 3 tbsp)", but if you read through the ingredients, the amount of ...
16
votes
1answer
33k views

Can one use microfiber cloths and products to “clean without chemicals”?

There's a company called Norwex, started in Norway and now in other countries including Canada and the US, which claim its products "Clean without Chemicals": Our line of cleaning products will ...
16
votes
1answer
2k views

Is Sensodyne recommended by “nine out of ten dentists”?

Sensodyne is famously known for saying "Recommended by nine out of ten dentists". Since being introduced in 1961, Sensodyne has become the favorite sensitive toothpaste of dentists around the world....
15
votes
1answer
16k views

Do ultrasonic cat repellents work?

Amazon sells roughly 355 different cat repellent products but judging by the consumer ratings, most of them don't actually work -- and even those that do, could be correlation rather than causation. ...
15
votes
2answers
3k views

Is there formaldehyde in the glue of bamboo cutting boards? Is it dangerous?

Many purveyors of bamboo cutting boards make a point to advertise that the cutting board is made from formaldehyde-free glues. There seems to be fairly widespread advise to avoid formaldehyde in ...
15
votes
0answers
884 views

Does closing a swing-top bottle make recycling more costly?

Here in Germany there are a number of beer brands that come in a swing top bottle: (picture taken from Wikipedia; copyright by Michiel1972, license GNU/GFDL) I often heard the claim that you should ...
14
votes
3answers
7k views

Is leapmotion a scam?

Looking for altertative ways of Human–computer interaction, I found www.leapmotion.com, which looks promising. They say in the website and in some interviews that they will release this device to the ...
14
votes
1answer
4k views

Is there an EU regulation which says flags must be from non-flamable material?

There is currently a viral video spreading around on social networks of an (alleged) anti-eu protester trying to burn an EU flag but has difficulty setting it on fire because, as the post claims, ...
14
votes
1answer
1k views

Does a deep freezer use more energy when there is a layer of ice in it?

In light of the potential upcoming power shortages in Belgium, there are a lot of "tips" going around to save power during the cold months. One of them is to thaw out the ice in the deep freezer as, ...
14
votes
1answer
22k views

Death by exploding office chair?

Some old news reports "Chinese boy killed when height adjusting mechanism in chair explodes" 1 There are a lot of similar news, all happened in China. Can this mechanisms explode ? Is the explosion ...
14
votes
1answer
22k views

Is mycoprotein (Quorn) safe for human consumption?

There have been severe arguments over the safety of mycoprotein: Quorn is considered a healthy food in UK and Europe Some parties in the US have cried havoc It's quite discussed in Canada Quorn ...
14
votes
2answers
1k views

Do fruits and vegetables sold in supermarkets taste worse than those grown on local farms?

It is a common belief that the produce sold at American supermarkets is "bland" and "tasteless". For example, the article "EVER WONDER WHY MODERN PRODUCE IS SO TASTELESS?" mentions that: They look ...
14
votes
1answer
1k views

Can airport X-ray machines scramble Kindle screens?

According to the Daily Mail, there have been reports of X-ray machines scrambling Kindle screens, despite Amazon's claims that it is impossible. Can X-ray machines have this effect?
14
votes
1answer
558 views

Do ionizing hair-dryers reduce frizz and drying time?

The new wave in Hair Dryer technology involves marketing benefits based on Ionization. Is there any evidence for any of this though? Conair® Turbo 1875: "Ionic technology helps enhance your hair's ...
13
votes
1answer
862 views

Are printers/cartridges designed to fail?

I stumbled upon this (off-topic) question on electronics.SE Are products designed to fail? I have heard that some companies trick consumers into buying and replacing printers & cartridges more ...
13
votes
1answer
61k views

Are ceramic heaters more efficient than convection heaters?

A colleague is trying to tell me that I should pay more and get a ceramic heater rather than a cheap convection room heater because I'll save money on electricity. I have one like this: Sure it's ...