Morning Overview on MSN

Why knots come undone in 4D, but 2D surfaces can still be knotted

Tie a trefoil knot in a piece of string, seal the ends together, and try to wiggle it free without cutting. In three-dimensional space, the knot holds firm. Add a fourth spatial dimension, however, ...
Hackaday

Selective Ironing Adds Designs To 3D Prints

While working on a project that involved super-thin prints, [Julius Curt] came up with selective ironing, a way to put designs on the top surface of a print without adding any height. For those ...

3D imaging reveals messy-looking supraparticles can be nearly perfect crystals inside

Researchers at Utrecht University have quantitatively mapped the three-dimensional structure of photonic supraparticles for the first time. Supraparticles are microscopic spheres composed of thousands ...
Tom's Guide

I test headphones for a living — and the best work-from-home headphones aren't made by Apple or Sony

Earbuds I just tested a $40 pair of wired earbuds perfect for beginner audiophiles — they sound incredible for the price Airpods I've been using the AirPods Pro 3 for three months — here's my pros and ...
BGR

5 Of The Best Sites For Free 3D Printing Projects And Open Source Models

The moment you finish setting up your first 3D printer, it may feel as though the entire world is at your fingertips. After all, you can craft all sorts of things, from handy tools to beautiful ...
ZDNet

Watch out Microsoft: Asus' new 2-in-1 takes on the Surface Pro with a bundled keyboard

Asus announces a new 2-in-1 laptop with detachable keyboard. The ProArt PZ14 is similar to the Surface Pro but includes the keyboard and stylus. The laptop lacks an integrated kickstand. Alongside the ...
pv magazine International

3D solar tower increases capacity factor 50%, triples solar surface area

Vertical three-dimensional solar tower developer Janta Power announced it has closed a $5.5 million seed funding round led by Mac Venture Capital and Collab Capital. The funds are expected to help the ...
Android Police

I still reach for the Microsoft Surface Duo over today's foldables; here's why

When Mitsubishi made your first cellphone, you know you’ve been around a while. Steve has carried the latest and greatest around in his pocket for nearly 30 years, with everything from Motorola ...
Mashable

Microsoft Surface Pro 11 review: I have a love-hate relationship with this 2-in-1

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. It's a bad thing because in ...
Windows Central

Microsoft’s Surface Neo was a glimpse of the future — so why did it vanish before it even launched?

It's the one they never released. The Surface Neo is a gorgeous 2-in-1 tablet that can also function as a laptop, provided you're okay with a cramped keyboard and screen. As a dual-screen PC, it's ...
AZOM

Is Average Roughness (Ra) Enough When Measuring Surface Quality?

Being able to quantify a surface finish is both a complex and necessary task. While surface topography relates to a three-dimensional property, the most accepted surface measurement parameter is ...
CNET

I Like Microsoft's 13-Inch Surface Laptop, but the Larger Model Is the One to Get

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Matt Elliott is a senior editor ...