Asus was one of the first PC makers to go ultra-thin with its Zenbook line. That latest UX301 version packs in nearly every high-end spec you'd want, but it's priced out of reach for most, and lacks an all-day battery.
With a bigger screen than most Windows tablets and an included keyboard dock, the 10-inch Lenovo Miix 2 tries to walk the line between entertainment and productivity, but it's still a few keyboard tweaks away from success.
The updated 14-inch Razer Blade packs a slim gaming laptop with an amazing 3,200x1,800 screen.
This 10-inch hybrid is very flexible, but falls short for long-form typing.
The Dell XPS 15 takes on Apple's MacBook Pro with Retina Display in almost every category, even beating it in a few. But for such a hefty investment, a design overhaul is in order.
A premium MacBook alternative with nearly every high-end spec imaginable.
The weak display in last year's Razer Blade gaming laptop is swapped out for an amazing 3,200x1,800 one.
While lower-energy "soft" X-rays can already image living cells, the higher-energy "hard" ones that can view objects as small as a few nanometers haven't been able to -- until now.