Darkness News
Big Bend is The Biggest Dark Sky Reserve
April 11, 2022 - News Wise
15,000 square miles of west Texas and Mexico have been recognized by the IDA as a dark sky reserve. Efforts to secure this status was lead by the University of Texas at Austin’s McDonald Observatory.
Read MoreMachine Learning Enlisted to Fight ALAN
April 7, 2022 - Towards AI
Supriya Ghosh makes the case for mathematical modelling as means of setting regulation and addressing problem areas for light pollution.
Read MoreRegistration for Responsible Outdoor Lighting at Night Conference Opens
April 5, 2022 - International Dark Sky Association
The two-day online event will take place on May 12th and 13th. 31 speakers will offer panels and talks on lighting practices, light pollution and the law, human harms from light at night, and what gets lost in the night sky.
Read MorePart-Time Street Lighting Cuts Crime
April 4, 2022 - Phys.Org
A study from the London School of Hygiene and Topical Medicine and the Thames Valley Police that ran from 2004 until 2013 found that street that turned off street lighting from midnight and 5am saw thefts from vehicles and thefts of vehicles drop.
Read MoreBlue Light Linked with Eye Damage
April 3, 2022 - Cells
A study conducted at three universities in europe has determined that low-intensity blue light exposure reduced melanopsin expression, leading to damage to mitochondria in the retinal ganglion cells of rats. This does carry though, causing damage to the retina and photoreceptors.
Read MoreSleep Deprivation Doesn’t Change Circadian Rhythms
April 1, 2022 - Clocks & Sleep
A research team at University of Arizona, Tucson have found that sleep deprived fruit flies have the same photic reset for circadian activity as well-rested fruit flies.
Read MoreLight Pulses During Near-REM Worse than Full REM Sleep
March 31, 2022 - Clocks & Sleep
A research team in Strasbourg, France have determined that changes in light at the beginning of the sleep cycle are more harmful to rodent test subjects than those same pulses later in their sleep cycle. While the test subjects were rats, the principle should scale to all mammals.
Read MoreBeat LED Streetlight Glare (in Your Photography)
March 30, 2022 - Astronomy Now
The IDAS LPS-D2 is 48mm camera lens that specifically filters the blue and orange peaks from LED light sources.
Read MoreMalibu, CA Extends Compliance Deadlines
March 29, 2022 - Canyon News
All zoning districts, except gas stations, have been granted additional time to comply with new dark sky ordinances. The new deadline is October 15th, 2022. The city is also offering lighting consultations as part of outreach efforts.
Read MoreFlorida Senate Passes Bill Allowing Lawsuits Against Local Ordinances
March 28, 2022 - WUWF NPR Florida
Senate Bill 620 will allow business to sue local governments over lost profits related to local laws. Sea turtle advocates are concerned that this would reverse beach-side lighting rules during nesting season.
Read MoreInternational Dark Sky Week Is Coming
March 25, 2022 - IDSW
The event runs April 20th through 30th. Organizers have begun collating events around the world.
Read MoreMoray, Scotland Hosts Dark Sky Exhibit
March 24, 2022 - The Northern Scot
The Tomintoul and Glenlivet Discovery Centre has partnered with Cairngorms Trust Green Recovery Fund, Lateral North, and Cairngorm Astronomy Group to create a series of exhibitions and demonstrations in celebration of their first year as a dark sky reserve.
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