345 posts tagged with light.
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Firefly LED light wand! I want to make one.

There is an LED toy that I want to recreate. It was the length of an umbrella, without the canopy, and looked like the person was being followed by a bobbing, waving band of fireflies. Details inside. [more inside]
posted by ananci on Jun 23, 2016 - 7 answers

Lights and their shades

the house i have just moved into (inexplicably) has all the lights mounted on the walls, with bulbs pointing sideways out of the fixtures, no sconces or shades on them, just plain light bulbs. the bulbs are all (HORRIBLE) fluorescent lights. This will not stand. 1) exactly what bulbs should we be using? Low- to medium budget solutions preferred. 2) where can you get (or make) awesome light covers for wall-mounted lights? i have no idea. 3) general tips about bulbs and lights are very welcome, thank you. [more inside]
posted by andreapandrea on May 29, 2016 - 8 answers

Can I use a US (110V) lighting fixture with a 240V mains supply?

I recently bought this pendant light from the CB2 store here, which is having a closing down sale. Despite it being sold locally (Singapore), upon some inspection I've found that the light is likely to be the exact same model as the one sold in the US (i.e. only rated for US 110V, and not UK/Singapore 240V). The guy at the store said that I could connect it directly to the mains here, but I'm not too certain. Should I try to get it rewired? [more inside]
posted by destrius on May 15, 2016 - 6 answers

Ceiling light bulb hole?

What do I do with this ceiling light bulb hole? [more inside]
posted by drthom on May 3, 2016 - 8 answers

Where did this light fixture come from?

Look familiar? [more inside]
posted by Cwell on Apr 19, 2016 - 3 answers

Floor lamp + iPad Pro?

I'm loving creating art with my iPad Pro, but I need better lighting. Do you know your way around the light-o-sphere? What floor lamp should I purchase? [more inside]
posted by three easy payments and one complicated payment on Mar 31, 2016 - 4 answers

How do I replace the light bulb in these under-cabinet lights?

How do I reach the light bulb in these under-cabinet light fixtures? Picture inside. [more inside]
posted by yonglin on Feb 28, 2016 - 7 answers

Why does my smoke detector beep when I turn on a light?

I have a battery-operated smoke detector that consistently beeps a loud alarm several times whenever I turn on a nearby light. What's setting it off? [more inside]
posted by sixpack on Jan 27, 2016 - 15 answers

WTF is up with this maddening lamp?

I have three pendant lights in my kitchen, in a row over the counter. I've replaced the bulbs in two of them, maybe... never? Once? But the middle one burns out after a few weeks. WHY WHY WHY? [more inside]
posted by The corpse in the library on Jan 25, 2016 - 11 answers

Avoiding screens at night

I had a few days where I didn't look at my screens (laptop, smartphone) several hours before bed, and wow-- it made a huge difference in my quality of sleep. I rely on a computer for much of my work, and my smartphone for much of my mindless time-wasting in the evenings. What are some things I can to do change this habit? [more inside]
posted by gemutlichkeit on Jan 16, 2016 - 15 answers

Lunch is a dish best served cold. Or possibly room-temperature.

I need ideas/recipes/tips for light, filling, healthy-ish lunches that can be eaten in one dish, either at room temperature or cold. [more inside]
posted by PearlRose on Jan 13, 2016 - 23 answers

Optical fiber transmitting light gained lengthwise?

Having a brainfart about bare optical fiber that is really bothering me. Tried to google this and while I think the answer is yes my google-fu is failing in a big way. [more inside]
posted by Slackermagee on Dec 30, 2015 - 5 answers

The internet of lights

My wife is tired of coming home to a dark house, and I want something to fiddle with. I'm thinking about getting a "smart" setup of some sort to control the lights (details inside). What's the best overall solution? We're exclusively a Mac/iOS household. [more inside]
posted by Admiral Haddock on Dec 29, 2015 - 5 answers

Using a Luci Light in Alaska

How can I charge my Luci Light without the sun? [more inside]
posted by jsslz on Dec 23, 2015 - 5 answers

Swag a pendant light from concrete ceiling in a condo tower: Bad idea?

We live in a high-rise condo in Miami with concrete ceilings/floors. We'd like to swag a pendant light to hang directly above a dining table. This would involve drilling a single hole in the concrete ceiling to install a hook for swagging the light, which weighs approximately 7 lbs. Help me decide whether or not this is a good idea and if I can do it without a hammer drill and with minimal fuss. Let's assume the landlord is ok with this. [more inside]
posted by theory on Dec 18, 2015 - 19 answers

Looking for a light bulb that's possibly discontinued.

We have three pendant lights in our kitchen that use this bulb. I'd buy a bunch if I could find them. Any help would be much appreciated!
posted by Gusaroo on Dec 14, 2015 - 2 answers

Bright indirect lighting on the cheap?

There's very little lighting in my apartment's living room. It's pitch black outside by the time I get home from work these days, and I'd like to add some lighting to brighten things up. Suggestions? [more inside]
posted by Alterscape on Nov 22, 2015 - 8 answers

Make my chandelier work: lights and electrics, LED edition

So I have this chandelier. It's a lovely mid-century piece but it chews through bulbs like you wouldn't believe. It was installed by a professional electrician and is wired into a regular on/off light switch on a standard UK lighting circuit. However, as you can see, bulbs blow on a disturbingly regular basis. My question: can I switch the regular bulbs over to LED equivalents and do these even exist? [more inside]
posted by srednivashtar on Nov 2, 2015 - 10 answers

Look into the multicolored light!

I'm looking for information on the psychological and physiological effects on humans of exposure to different colored light or an environment lit only by a single light color. There's a plethora of (poorly sourced) information about things like "color therapy" and (unsubstantiated) claims that "red light makes you angry" but virtually nothing that's backed up by any actual research or explanations of how it works.
posted by Socinus on Sep 30, 2015 - 7 answers

How to lower the position of a floodlight? Is there an adapter?

The house I have has a motion detection floodlight installed (http://amzn.to/1KyAd5N). Unfortunately, the original installation was a bit too high, so most of this floodlight is shadowed by the roof eave. I would like to lower it by about 6 inches. I don't want to change the original circular mount that's in the wall. Is there such a thing as an adapter/pipe that I can install connect to the original circular mount that I can then reattach the floodlight too? (Kind of like a periscope) I'd welcome other solutions - but I'm not very handy.
posted by bluelava on Sep 22, 2015 - 5 answers

Lighting techniques of top cinematographers

Directors of photography like Roger Deakins, Robert Elswit, and Robert Richardson have distinct styles but are nevertheless first class examples of cinematography done right. I am looking for resources that delve into the type of lights they use, lighting plans (specific setups from certain scenes), and examples of intensities of the used lights (in LM). Any of these would be helpful really.
posted by omar.a on Sep 16, 2015 - 2 answers

Help me sleep at night!

I have a new apartment. There are lovely big windows, but there aren't any curtains - and the rod is so flimsy that it likely can only support the lightest of linens. Unfortunately, there is a big orange streetlight directly outside, and that leads to sleepless nights. What color and material of curtain might mitigate this issue? [more inside]
posted by Conspire on Sep 2, 2015 - 25 answers

Motherboard light flashing after PC shutdown, how to stop?

A light somewhere on my PC motherboard, my best guess is near the Ethernet connector, has recently begun to flash irregularly even after system shutdown, which is driving me nuts, because I sleep in the same room. I can't easily cover up the light or open my case, and since the PC was built for me by someone I can no longer reach, I need your help to kill that light. [more inside]
posted by StrikeTheViol on Aug 30, 2015 - 9 answers

Where can I find or build light box art?

I am wondering the best way to obtain light box art for my bedroom? [more inside]
posted by miles1972 on Aug 16, 2015 - 1 answer

I look like a space alien, and wish to stop frightening small children.

I do a lot of online video conferencing from a home office. I’m looking for desktop light fixtures that create a video image that makes me appear to be a good guy, as opposed to someone you want to avoid at all costs. The lighting is good during daytime hours, but at night I look creepy. I need to find lights that provide even, gentle, and warm illumination. [more inside]
posted by elf27 on Jul 29, 2015 - 5 answers

"Warm White" or Yellow LED Reading Light?

I try to reduce blue light at night and am looking for an LED reading light that has a warm color. [more inside]
posted by Jon44 on Jul 27, 2015 - 11 answers

Wine and light?

I own a wine rack that holds 13 bottles, which is quite a supply for a single guy, so bottles end up on the rack for a few months. It's as much an art piece as it is a place to store the bottles, but the wine is strictly for consumption. In other words, none of the wine is valuable. I only buy 'em to drink 'em. How long can wine sit in a wine rack at room temperature in a well lit room before the wine starts to go bad? [more inside]
posted by 2oh1 on Jul 14, 2015 - 11 answers

Ray of Light (pre-Madonna)

Looking for the origins of a semi-common trope in fiction: under certain conditions (i.e., on a certain day of the year), a ray of light shines through a small opening or into a particular place and illuminates a secret. [more inside]
posted by sleevener on Jun 3, 2015 - 12 answers

Home Wiring (please don't kill me)

Hanging a new pendant light fixture, simple, but can you help explain this wiring? [more inside]
posted by artdrectr on Apr 27, 2015 - 5 answers

Cheap, easily obtainable full-spectrum fluorescent bulb

I've read and been confused by many other AskMe's about this, so here is all I want to know: What bulb can I go out and get at Home Depot or Lowes, for under $20, that is a full-spectrum fluorescent that will fit into your standard ~24" housing? This is for a bird kept inside. [more inside]
posted by fiercecupcake on Apr 23, 2015 - 4 answers

Why are there colors? Explain like I'm six.

My six-year-old son asked me a question I'm stumped by (one of many). He asked "Why are there different colors?" I half-attempted an explanation about light wavelengths and light reflecting off surfaces and soon realized I was a) over his head and b) over my own head. How would you explain the concept of color--of what color really is--to a six-year-old? Obviously very simple language is needed here.
posted by zardoz on Apr 23, 2015 - 30 answers

Bright task lighting needed

I need a bright light for when I put on makeup and deal with my eyebrows and stuff. I live in a rental, and I can't put holes in the walls or install light fixtures. Can you recommend something? [more inside]
posted by topoisomerase on Mar 9, 2015 - 7 answers

Show me more sconces like this one

I like this sconce (with the plain white shade) from Schoolhouse Electric but am wondering if there might be others available that are more affordable and/or that I might like even more. [more inside]
posted by contraption on Feb 28, 2015 - 6 answers

Subaru Forester 1998 Door light

Can you tell me which fuse to pull to kill the door ajar light on the dash of a Subaru Forester 1998? [more inside]
posted by merocet on Feb 8, 2015 - 8 answers

Are CFL and LED lights safe for indoors (in flush mounts)?

I am getting conflicting opinions on when you can (and can’t use) CFL and LED lights indoors, especially with a flush mount light fixture. I am more confused now that ever. If someone can offer some insight, it would be great. [more inside]
posted by dbirchum on Feb 5, 2015 - 13 answers

Best Glare-Free Kindle Light

I have acquired a Kindle, and I'm hoping there's a really great light out there to go with it. [more inside]
posted by freshwater on Jan 30, 2015 - 6 answers

Why do fluorescent lights burn out?

When fluorescent lights burn out, what is happening? Also, why do they flicker when they're about to go out? [more inside]
posted by Galaxor Nebulon on Jan 6, 2015 - 6 answers

Calculating radiation received at distance from light source?

How do I calculate the radiation energy that a surface / object receives at distance d from a light source of power W watts? I'm familiar, in theory, with the inverse square law but need help thinking about how to apply it. [more inside]
posted by Joey Buttafoucault on Dec 16, 2014 - 6 answers

Let There be Light?

Is there such a thing as too much light in a living space? I'm looking for a new apartment. One possibility is a large studio in a high rise tower (30th floor) with floor-to-ceiling west-facing, unobstructed windows. This is in the Northeastern section of the US (an area known for hot and humid summers). The property developers have not included cellular shades, only standard mini blinds. It is lovely now in the winter and makes the apartment seem large and cheerful, but will I regret signing a lease come July?
posted by girl flaneur on Dec 10, 2014 - 27 answers

looking for low-power, low-light, long-life, warm-tone LED lamp or bulb.

I am looking for a reading lamp which closely imitates the light of a single candle. [more inside]
posted by mwhybark on Nov 14, 2014 - 3 answers

How can I warm up the LED can light tone in my office?

Our office building is in the process of switching over to all-LED lighting. Our recessed can lights were recently swapped and it's causing a lot of grief- will we just get used to it over time or can I buy some warming filters that won't melt or look like yellow/orange/red dots all over our ceiling? I have only found theatrical lighting sources online so far. Help!
posted by Lilbetty19 on Nov 7, 2014 - 9 answers

Tips for wintering my herbs indoors?

Three of the hardier herbs we had been growing in our back yard--sage, mint, and lavender--survived our absent-minded neglect and made it through the summer. As the temperatures drop, we've taken them indoors for the winter. We can provide either 1) warmth and artificial light, or 2) cold protection from the elements, but natural light all day long. What's better? [more inside]
posted by Admiral Haddock on Nov 7, 2014 - 8 answers

DIY: Old ceiling light, no ground -- what's the worst that can happen?

I replaced a ceiling light in a 1950's-wired apartment. There are insulated black and neutral wires, but no ground connection (fixture has ground wire but just connected it to mounting bar). If wired backwards, what happens when I flip the switch? When I touch the fixture while power and/or switch are on? [more inside]
posted by ArgyleGargoyle on Oct 21, 2014 - 10 answers

Brief water leak through ceiling track lighting-- what now?

Clueless new homeowners here. After a shower and a use of the toilet upstairs, water started dripping through a screw on the track lighting in the kitchen. It started maybe 10 minutes afterwards and lasted maybe 10 minutes, maybe a cup or so of water total, then stopped. What happened? What do we do now? Call a plumber, presumably, but how urgent? An electrician too? Is there danger because of the light fixture? [more inside]
posted by EmilyClimbs on Oct 19, 2014 - 7 answers

Bathroom light turning off

You are not my electrician but I was wondering if you might experienced this problem. My bathroom has a fluorescent light with a pull switch and a ventilation fan that comes on automatically. I think they run off the same circuit. The light normally comes on fine but after a while- probably about half an hour normally- the light goes off. [more inside]
posted by KateViolet on Oct 10, 2014 - 10 answers

Hiding something ugly on the ceiling

Our family room has a really ugly, broken fluorescent light fixture installed flush in the ceiling. Help me figure out how to cover it up. [more inside]
posted by ThePinkSuperhero on Aug 25, 2014 - 12 answers

How to take better photographs of movement in low light indoors.

I'm having problems with taking photos indoors when there's a lot of movement. Prime example: weddings. Most of the shots turn out blurry. I have a basic digital camera with a setting for low light but it's at a low resolution and too grainy to print. Without using a tripod or flash what's the best way to adjust the manual settings to compensate?
posted by adapt on Aug 10, 2014 - 12 answers

Light to the outdoors

I have a deck, and it needs a light fixture next to the door. There's no electricity on the deck, and I can't cut through the wall (mounting a fixture to the siding is fine). Do they make battery-powered, wireless, remote-controlled exterior light fixtures? [more inside]
posted by mgar on Jul 7, 2014 - 1 answer

What am I seeing?

Holding a mug close to my face, there is an interesting effect. It's not like other things and I can't duplicate it with other objects. [more inside]
posted by rahnefan on Jul 3, 2014 - 5 answers

Do LED lights cause permanent eye damage?

I came across this article and became concerned about my eye health, in light of a new LED monitor that I recently bought and use for about four hours each day at home (at work, I look at an older LCD monitor with a CCFL backlight for eight hours). Is this something to be concerned about? Also, can some sort of (UV) filter be placed in front of the screen to reduce risks? Currently, I have my LED monitor set to 0% brightness and 25% contrast.
posted by kalsifur on Jul 2, 2014 - 6 answers

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