zksmk

@zksmk@slrpnk.net

I also use @zksmk and @zksmk

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zksmk,

I think you’d be better off using the Boolean XOR tool from the same Split submenu (if you approach it from the Part menubar in the Part workbench), on your cube and your array, instead of the Slice apart tool.

Then on the resultant XOR object use the Explode compound tool from the Compound submenu.

You’ll get a folder with all your sliced parts in it.

zksmk,

I am. :)

Most of the subscribers here are new as well since the recent reddit exodus, I’d say that makes them active.

An activist group is spreading misinformation to stop solar projects in rural America (www.npr.org)

Citizens for Responsible Solar was founded in an exurb of Washington, D.C., by a longtime political operative named Susan Ralston who worked in the White House under President George W. Bush and still has deep ties to power players in conservative politics....

W7-X new record: Plasma with gigajoule energy turnover generated for eight minutes via average coupled heating power of 2.7 megawatts (phys.org)

On 15 February 2023, the researchers reached a new milestone: for the first time, they were able to achieve an energy turnover of 1.3 gigajoules in this device. This was 17 times higher than the best value achieved before the conversion (75 megajoules). The energy turnover results from the coupled heating power multiplied by the...

How Valencia Turned A Crisis (And a River) Into a Transformative Park (slrpnk.net)

In 1957, Valencia experienced a devastating flood that forever changed the city’s relationship with the Turia River. Nearly 3/4 of the city was inundated by floodwater and over 60 people lost their lives. The following year, the city embraced a plan to divert the river around its western outskirts to the Mediterranean Sea....

Main obstacles facing the adoption of kite sails, the modern day answer to the Age of Sail, are not engineering-related, but social. (slrpnk.net)

A conventional ship with an easily deployable and retractable kite sail system burns less fuel than one without it. It's a type of hybrid vehicle, that has two propulsion methods, the main reliable one, and the supplementary one, for fuel efficiency. With the system installed and the kite in use, the ship saves an estimated 15%...

zksmk,

Indeed. However, they are also very slow (usually around 30 km/h) and more importantly very slow to change that speed (cargo ships starts braking 5-10 km before port). The ships' engines aren't doing a ton of work themselves either, per unit of time.

Work per time is power in physics. A ship like this has an engine of about 100 000 horse power per google, which is about 400 cars' worth of power. And 10th of that is about 40 cars. Which matches thereabouts a huge sail in a strong wind at large altitude in the open ocean like this, I think. Back of the envelope math checks out.

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