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Nanotextured coating material shreds viruses on contact

27 April 2026 @ 1:03 am

Samples of the antiviral material up close

It doesn't take much to pick up a viral infection in spaces we share with other people – whether it's from tiny droplets in the air containing these particles, or touching doorknobs and countertops in offices and hospitals.Continue ReadingCategory: EngineeringTags: Materials, Virus,

'Villain-hitting' – where a shoe-wielding senior beats your foe from your life

26 April 2026 @ 7:03 pm

The underpass is filled with the sound of seasoned aunties hitting the names of troublemakers, written on paper, with the sole of a slipper or shoe

Beneath the expansive concrete overpass amid the bustling hub of Causeway Bay, you'll find a bizarre and enduring tradition in Hong Kong – "villain hitting." Here, elderly women perform an elaborate ritual that involves bashing a name written on paper with a shoe, while chanting, to free people from someone causing them grief and encourage fortune and peace in their place.Continue ReadingCategory:

Perovskite solar cells are the 'impure' bad boys of next-gen photovoltaics

26 April 2026 @ 5:03 pm

A microscope image of the domain-wall structure of a lead-halide perovskite crystal

“Purity” is one of the many myths of perfection, suggesting that absolute conformity is the only way to produce supreme value. Just as that claim is false for human populations, new research in physics at the Institute of Science and Technology Austria (ISTA) shows it’s also false for solar cells.Continue ReadingCategory: Energy, EngineeringTags:

215-sq-ft tiny house goes big on comfort with hot tub and sauna

26 April 2026 @ 3:03 pm

The NestOff is a compact non-towable tiny house that boasts a sauna, hot tub, and cozy interior for two

This 215-sq-ft (20-sq-m) tiny house may be on the smaller side, but it still manages to make room for some of life's luxuries. The non-towable home features a comfortable interior for two and even has its own sauna and hot tub nearby.Continue ReadingCategory: Tiny Houses, OutdoorsTags:

Nanogenerator harvests electricity from evaporating seawater

26 April 2026 @ 11:03 am

An experimental setup designed to test the technology under controlled conditions

Imagine a device using an energy source the size of planet Earth, and offering nearly limitless electricity with no ecologically devastating mining required to get it. Science fiction? A lie from Big Battery? A fentanyl fantasy from the Energizer Bunny? No – it’s real, and it’s the ocean.Continue ReadingCategory: Energy, EngineeringTags:

New ID.3 Neo: Is this what a proper VW electric hatch looks like?

26 April 2026 @ 5:03 am

Can Volkswagen finally right its wrongs with the ID.3 Neo?

Volkswagen hasn’t exactly nailed the EV game yet … globally, at least. With the much hyped ID.7 sedan scrapped for North America, and cars like the ID.Buzz reporting bleak sales, VW was in a fix.Continue ReadingCategory: Automotive, TransportTags: Volkswagen,

PuroAir: Testing out both its HVAC filters and air purifier

25 April 2026 @ 10:03 pm

I don't have a fancy ceiling return – instead, mine is floor level, perfect for taking up wall space. Either way, happy to have central air where I live, and even happier testing out PuroAir's Mega Filter

I'm pretty religious about swapping out my HVAC filter every month. When I pay rent, I change the filter. That's just how I do it. Living in a beach town means the wind is pretty much always blowing, and in my case, it's blowing in from the Gulf. The means sand and dust are a constant. And at this particular moment, it's peak pollen season here! If I leave anything outside for a day or two, it's yellow.Conti

Mova robomower review: Absolute garbage, right up until it wasn't

25 April 2026 @ 7:02 pm

I did not mark this seemingly obvious and large obstacle as a no-go initially, thinking that the LiDAR paired with the front AI-powered camera would have no issues. Boy, was I wrong. Eventually, I marked that entire area as a no-go, as not only was it wrecking the wall, but it was also destroying the mow deck

The Mova LiDAX Ultra 1000 was hands down the most frustrating mower I've used so far. The caster front wheels made this thing completely unusable in my sandy grass no matter what I tried. So I rage quit and took it down the street to a neighbor's house, where he and his wife spend a significant amount of time caring for their perfect lawn, perfect yard, and lovely garden. If there's any lawn this thing should,

Seriously small tiny house comes at an ultra-affordable price

25 April 2026 @ 5:03 pm

The Mantra Micro Cabin's exterior is finished in engineered wood, pine tongue and groove accenting, and a metal roof

A lot of tiny houses nowadays are anything but. For those who think they should actually live up to their name, the Mantra Micro Cabin is an ultra-compact dwelling that ditches the bells and whistles to sleep two for just US$17,000.Continue ReadingCategory: Tiny Houses, OutdoorsTags:

Interview: The avionics suite designed to let anyone fly a plane

25 April 2026 @ 3:03 pm

California-based aerospace company Airhart Aeronautics recently completed test flights of its new cockpit avionics suite for small planes at the company's Long Beach facility. We sat down with Airhart President Nate Thuli to learn more.Continue ReadingCategory: Aircraft, TransportTags: Aircraft,

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