There was also no light-blocking on the devices we demoed, so there's a lot of interference coming from the sides.
ENGADGET: Canon MREAL Mixed Reality headset hands-on (video)
Most photomasks are created by etching away a thin film of light-blocking chrome from the surface of a quartz plate.
What you see above is an LCD panel that refreshes at 240Hz, and delivering 3D at 60 frames per second to each eye, by using the typical active shutter glasses technique of blocking light to your left eye when the "right" image is displayed, and vice versa for the right eye.
ENGADGET: Sony's 24-inch PlayStation 3D 'dual-view' monitor: here's how it works
The company is also promising stronger backlighting, since the keys sit close to the substrate and there aren't rubber domes blocking the light source.
ENGADGET: Synaptics enters the keyboard market, announces the ThinTouch keyboard aimed at Ultrabooks
The galactic centre can only be observed at certain wavelengths - such as X-rays - because large amounts of dust lie in our line of sight, blocking out optical light.
In the videos below, various YouTubers demonstrate tricks for enhancing the Sony infrared snooping trick by blocking all visible light with IR filters, or, more craftily, a cutout of an overexposed film negative.
FORBES: Hack Your iPad To See Through Clothes? An April Fool's Prank With A Real Physics Lesson
How often have you cursed the traffic gods, accelerated through an already yellow light or honked at left turners blocking the intersection?
The weirdest thing about our new house is that the previous owner plastered opaque film over every window, blocking out all natural light.
These might include, for example, binary stars, where one star orbits another, blocking some of the light as the stars transit each other.
And we, as consumers, face these sheer walls, smooth as glass, edifices of obsidian, crystal, and silver that reach up to the sky, blocking all but a tiny patch of light.
应用推荐