Fact: Blue images always look sharper than white images to the user. Siemens Display Technologies implemented blue backlights in its flat panel display product line and had the same feedback from its customers: bluish pictures look brighter. Therefore we wanted to research this theme and try to explain this unique “feature” from a more theoretical point of view. We can explain why, under interi...

Thermochromic windows have been widely studied as a technology that can potentially offer increases in energy conservation and provide desirable luminous environment inside buildings. However, there has little attention placed on how the tinted states of thermochromic glazing influence occupant behaviour visual perception. An experiment under controlled conditions was designed to test different...

The fatigue phenomenon of grating visual acuity was examined in 36 patients with optic nerve disorders by means of a laser interferometric acuity device. The phenomenon was found in 6 of 36 cases even under a luminance corresponding to the Japanese standards of office illumination. This fact indicated that the patients suffered visual fatigue in their everyday vision. After they were prescribed...

BACKGROUND Chronotype characterizes individual differences in sleep/wake rhythm timing, which can also impact light exposure patterns. The present study investigated whether early and late chronotypes respond differently to controlled advancing and delaying light exposure patterns while on a fixed, advanced sleep/wake schedule. METHODS In a mixed design, 23 participants (11 late chronotypes a...

?n observations on the action o alkaloids in causing disappearance o parasites during an acute attack. Reports were received: , 7 (1) From Colonel Harvey who tinted 7 cases of benign tertian malaria with q bisulphate, 10 grains for 70 kilogrammes 'body weight. The drug was dissolved m dilute sul Phuric acid, one dose was given before break fast and one before the evening mea . Eleven patients w...

This paper describes in details a commercial green building that has been designed and constructed in Marsa Matrouh, Egypt. The balance between homebuilding and the sustainable environment has been taken into consideration in the design and construction of this building. The building consists of one floor with 3 m height and 2810 m2 area while the envelope area is 1400 m2. The building construc...