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• Those blood cells you can see when you look at the sky--are those in the lens of your eye, or the retina, or where?

  Asked by SaganRitual | 3 responses

• What has been your prison? (I’m not talking about criminal prison)

  Asked by JLeslie from iPhone | 14 responses

• Is this invention already made?

  Asked by RedDeerGuy1 | 10 responses

• Do you agree that, though not quite put up, love can be a undercurrent theme of "Death Note"?

  Asked by luigirovatti | 2 responses

• Why don't all light bulbs use premium parts?

  Asked by RedDeerGuy1 | 6 responses

• Was the moon gigantic on Friday June 9th, 2017?

  Asked by flo | 12 responses

• Is it possible that the universe consists of only one beam of light (details inside)?

  Asked by RedDeerGuy1 | 9 responses

• Do our eyes digest light?

  Asked by Ltryptophan from iPhone | 13 responses

• Is it necessary for sunglasses to have tinting to block all 100% UV rays, glare, and be polarized?

  Asked by Ltryptophan from iPhone | 8 responses

• What causes 2 shadows of one item, and one shadow of the other things a few feet away from each other?

  Asked by flo | 4 responses

• Can you show what industry was wrought from an item or discovery [game]?

  Asked by Hypocrisy_Central | 4 responses

• Why do we relate the square of the speed of light in energy?

  Asked by RedDeerGuy1 | 12 responses

• What's your small victory of the day?

  Asked by Mariah | 24 responses

• Anyone still using the (not) government mandated CFL bulbs that have to warm up and won't dim?

  Asked by ibstubro | 26 responses

• Why do mirrors flip images side-to-side but not top-to-bottom?

  Asked by CWOTUS | 8 responses

• Is the sky transparent at night?

  Asked by Ltryptophan from iPhone | 16 responses

• Would infrared photography help enhance details in old tombstones?

  Asked by rojo | 7 responses

• Is there any research indicating that light therapy lamps help with vitamin D deficiency?

  Asked by DrasticDreamer | 39 responses

• Should I keep my lights at 50% brightness?

  Asked by dxs | 10 responses

• Could you draw a common object?

  Asked by DoNotKnowMuch | 13 responses

• Can I replace a 60 watt incandescent light bulb with a fluorescent or LED bulb that puts out more light than the incandescent?

  Asked by augustlan | 25 responses

• What would the best lighting and setting be for filming videos?

  Asked by Obscurethinktank | 1 response

• Would you have use for candelabra bulbs that were energy saving (CFL or LED), yet produced 75+ watt light equivalent?

  Asked by ibstubro | 7 responses

• Do you have any photos, drawings, or scribbles you'd like to share?

  Asked by hominid | 57 responses

• Can you connect lighting to the same duplex outlet as a clothes washer safely?

  Asked by nettodo | 6 responses

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