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Is it possible I am seeing lights flicker with mains frequency?
Asked by XOIIO | 4 responses -
How can I make an electrical current flicker?
Asked by lapilofu | 6 responses -
Where can I find a 78mm Type J 120 Volt Halogen bulb locally?
Asked by ETpro | 7 responses -
How slow can we make a beam or photon of light go?
Asked by talljasperman | 13 responses -
Is this poor man’s night vision?
Asked by Ltryptophan from iPhone | 4 responses -
Strobe light apps that react with sound?
Asked by XOIIO | 3 responses -
What would the best lighting and setting be for filming videos?
Asked by Obscurethinktank | 1 response -
What are the best glow in the dark materials?
Asked by Ltryptophan | 7 responses -
What might your friend's comments on you be after a (heated?) disagreement?
Asked by lucillelucillelucille | 17 responses -
How long can you stare at the sun before going blind or suffer irreversible damage?
Asked by buster | 6 responses -
What will happen if you breathe in firework smoke?
Asked by kimchi | 3 responses -
Whose help do I need to recreate this concept of an UV shoe sanitizer?
Asked by rexpresso | 4 responses -
How does the Doppler effect shift light's wavelength?
Asked by Bill1939 | 6 responses -
What objects can I use to light a match?
Asked by Anatelostaxus | 11 responses -
How big must a pile of bacteria or viruses be to be visible to the human eye?
Asked by RedDeerGuy1 | 3 responses -
What light bulb, for home use, lasts the longest?
Asked by ArchaicLion | 5 responses -
How do you change a scb1000 advantium microwave oven's light bulb?
Asked by pizzaman | 6 responses -
Any experiences with the Philips Wake-Up Light?
Asked by Jbor | 6 responses -
What is the best way to take a photograph of something that is behind glass?
Asked by snotty | 13 responses -
(NSFW) I am going to have a colonoscopy, on July 4th, and I need to buy something called PEG and Light Will I throw them up or is it just like drinking a cola?
Asked by talljasperman | 12 responses -
Please tell me where can I get a lamp , preferably online, that is bright as high noon indoors?
Asked by RedDeerGuy1 | 32 responses -
If our planet was full of volcanic dust in the air, would it help if we could "see" Xrays?
Asked by wundayatta | 6 responses -
What's the best wearable light for a 5k runner?
Asked by serenade from iPhone | 7 responses -
Is there some analog way to measure light without blocking it?
Asked by Zyx | 7 responses -
Why was my Near Death Experience (NDE) the best sleep that I ever had?
Asked by RedDeerGuy1 | 13 responses
