People whose racial heritage is mixed, and who consider themselves to be persons of colour, should identify as members of a visible minority. What is a racially visible person? Racially visible persons Racialized persons are people (other than Aboriginal/indigenous peoples) who are non-white in colour and non-Caucasian in race, regardlessRead More →

NIR light is safe but effective. Within near-infrared wavelengths, light can penetrate eyes at maximal level, but absorption of light by cornea and lens is at minimal level (approximately 10%) 95. The neurons from retina require high energy, or mitochondrial ATP to satisfy tissue requirements 96–98. Can you see inRead More →

The Graf Spee was scuttled off Montevideo. … In more recent years, further efforts have been made, with one of the Graf Spee’s gun mounts being raised and restored in 1997, and – most famously – its eagle figurehead being salvaged in 2006. Its telemeter, or range finder, is alsoRead More →

Ophiuchus is visible in the evening from late spring through early autumn in the Northern Hemisphere, and its center lies at right ascension 17h20m and declination –8º. The best date each year to see Ophiuchus is June 11, when it stands opposite the Sun in the sky, reaching its highestRead More →