Safer construction nail gun: wikipedia says “In the United States, about 42,000 people every year go to emergency rooms with injuries from nail guns” globally it is possible to imagine that is about .5-1 million people.

A very simple improvement to the nail gun is to attach a CPU and camera to it, and if it is aimed at something that looks like a body part, it does not fire and a “person in the way” indicator lights up. Of course it has a manual override switch
just in case someone is using a nail gun on something the neural networks or program flow logic body part sensing software confuse with a body part. To my amazement, at alibaba a 5 megapixel phone camera is 20-50 cents each, and a CPU is 2 cents. If
the software screen is at a nail gun with an electric pushbutton trigger then directly, modularly, replacing the nail gun’s electric trigger pushbutton with the CPU+software inline could be possible.

That’s a kind of go/no-go CPU + software switch replacement. a nailgun itself on alibaba is $11.00, so the way the safety feature is less than 28 cents is beneficial.

It might be possible to turn what starts out as a safety feature into a productivity feature. view ngle andtilt, compensate with the way you hold it with your hand, the nails always get installed centered on a laer pointer bullseye. It might make some
small sifference. Apparently nailguns get used on framing (like wooden frames of houses) a lot (wikipedia), and I have never heard of those being framed amisss though.

A completely new tool would be the one-pass countersink nailer/screwer.

A powerful laser, and a carpenter with laser goggles, would put the nailgun on any surface. The laser would scoop out a hole from the material, regardless of what it was, and drive or screw the nail into the new countersunk hole so that it was
aesthetically flush with the material surface.

(Glossary: countersunk: If you just screw some stuff together the nut heads and bolts stick out, looking ungainly and maybe snagging things. Profesionals “countersink” fasterners, making a little tapered-sided hole for them to reside in so the
finished surface can be completely smooth. Countersunk looks better.

More glossary: Dental laser. some lasers pulse so fast instead of things heating up, they just fracture and disintegrate without become warm. 40,000 pulse per second dental lasers are like that and can take out volume fairly quickly.

Intrinsically safe version of laser craft and carpentry that makes it so people can skip wearing goggles.

Use a dental laser and blast eentsy particles away; meanwhile a very high resolution, high magnification camera is looking continuously at your face, and the reflections of the laser, notably the image-containing (specular) reflecions of the scene in
front of you reflected from your eyes tell the computer how much reflected laser you are getting, and how high energy the laser, and any reflected beamlets (what if you are drilling metal, disco-ball laser dpots everywhere!) your face is getting. If the
tool determines unsafe use it says, “wear laser goggles!” A really good software product might say “Drilling metal causes unsafe reflections. Wear goggles”

The dnetal laser itself could be improved for construction. Rather than a coherent line ————————. You could use a an even bigger bounce away angle than from DCX lens might be possible with a hologram,
scanning hyperlaser, not a 2 mm^2 spot, 1/1600th of a spot, just outrageously bright. Both are already above safety levels if it were a nonarray apot anyways, so making a 1/1600 raster spot is absent posing additional eye risk, but does confer a huge
advantage to quick-stop safetys and only harming 1/1600 as much tissue if something goes wrong.. Instead of taking out an entire 2 square mm of retina or hand tissue, it takes out just 1/1600 of that before the CPU safety notices any unsafe occurence.

3 nails where two before might keep framing straighter; so the drone being an order of magnitude or two cheaper than a human over 999 days of construction.
Portland carpenter is $24/hr
8 000 hours (999 days) * 24k
earns $192,000


The 10 pack of carpentry drones, lasts 3 years; If the carpentry drone is able to use 10 unique tools, at $1000/tool that is $100,000 about 1/2 of carpenter’s earnings.
Drones work 24 hours, but I’ll say 16, as they may be anticipating a human.

So, half cost, double speed, times 10; twenty times faster building than humans. It’s facile to come up with these numbers, but I think there are actually 8 tools and skills, and that the tools and skills are $300 or less each.
Staple,screw,nail, synchronize to lift and move materials, spraypaint, sand/smooth/deburr, pickup trash, OS, build form (erector set),

This is just the Staple/screw/nail section.
are bracket nails; also known as giant staples always better? Can they be used for framing dwellings?

…and you can lease/rent drones

7 rebars that could exist:
Genetic algorithm rebar
GA seed rebar (or even other concrete reinforcements as seeds placed with saugaro catus weld and other meshes # (mesh) —>> (tree)
millifiore rebar
-Stainless steel cladding type
-Genetic algorithm; lemur tail dollops pull on ordinary machines; the lemur tail alloy has shrinkier crystal form; equispaced fridge areas post-or-mid rollers at line hyper quench like spaced _cold_ water jets.

William Shatner wore a girdle, and Rebar takes the fashion hint! little annuli on rebar of various lengths; all the way to looking like partially myelinated sheath nerves, ——===——====—

people weld the ends of rebar together; if that is the weakest spot then spade-end or nestled spoon end rebar might weld to stronger than length of rebarness. GA could find the size of annuli at rebar that are most effective (if any are) from .5cm to 3
cm

aleternative: stripes with crystals that plump slightly when they cool GA -prince rupert’s rebar Genetic algorithm (corncob layout is the simplest)
Noting that it may be possible to electromagnetically levitate molten iron (I thought it wasn’t), “this project investigated the use of electromagnetic levitation (EML) of ferrosilicon (75Fe-25Si)-“ https://tspace.library.utoronto.ca/bitstream/
1807/91064/1/Electromagnetic%20levitation%20refining_Tspace.pdf so it you levitate a blob of steel, titanium, or other material above an induction heater, you can use acoustics (and magnetics) to form it’s shape; sudden all-sides quenching with water
or liquid nitrogen of a levitated molten metal shape could make prince ruupert’s drop with a high utility shape, like a U bearing; if the concave dip is autocompressive like the front bulb of a PRD (prince ruperts drop) then it might be numerous orders
of magnitude harder and more wear resistant. if it needs a prince ruperts drop tail that could be at one side a little like the q-like serif on this u: u;

To make prince ruperts drop rebar cheap, first make software that is able to predict the functionality of hemicyclinder rebar, (| like flat bottom tubular greenhouse looking rebar; use GA to optimize surface.

Levitating a piece of actual rebar that was just made causes it to have a bottom shaped like the levitator field, possibly a hemicylinder curve, and the top likely flat like a placid pool. (| soften or liquefy the levitated rebar such that heightening
the fill level of water (or quenching liquid) floods the melted rebar and =====/=====
causes the prince rupert’s drop; if the rebar has a protuberance (==/==) then that is the last thing to submerge in coolant and thus likely becomes the prince rupert’s drop tail. This also works for things like I beams as well.

eutectic crystal prince rupert’s drop; together they make a liquid, quenched, is strong, which is quite novel as GaIn and other eutectics are not known for their strength. reiniscent of solder;

Prince ruperts drop solder for wire bonding at IC chips: The internet says, “Wire bonding process is the key driver of the package assembly yields”, inside chip little gold wires to bond pads sometimes exist; if a laser moltenized the gold solder,
and a little nozzle streamed recyled heat conductive (SF6, SeF6) cholorfluorocarbons on the gold solder dot, could a predictable prince ruperts drop wire-to-chip bond occur; noting it is inside the chip casing it is unlikely anything would effects it’s
tail. This could make the wirebond orders of magnitude stronger; I read that debonding of on chip wires was the #1 causes of tested chip filure, so this addresses that.

It could be possible to make little gold wires and other wires even bendier, and less fracturable, less likely to break by removing or adding compressive forces to them with a process that imittes potassium toughened soda glass. When glass is put in a
Potassium (molten KOH) environment the sodium in glass gets swapped out with potassium, and the atoms are 30% larger, so when it cools the entire surface of the glass is under compressive tension and it is much tougher. Surface Ion implantation that way
can also be done directly with “ion implantation techniques” (Plasma gun?) So have an ion implanting plasma gun aimed at the gold bonding wire as it (before it) goes on the spool for shipment to the fab to make hyperuncrackable unbreakable gold wire. Using thallium 190 radius or Yttrium 180 radius, has a similar ratio as K/Na
swap out with god at 135 radius.

all compressive

noncorrosive metal plated type (exists)
-nnn
-looks like giant threaded shaft;hypersurfacearea
GA of “Crap” rebar 100% postconsumer mixed alloy (cars? old rebar?)
long many pull foldover rebar

chinese finger trap and soda-straw-splay nuclear plant cooling tower hyperbolic paraboloid rebar; architects specify distal parts and tips of buildings to have >=<or ]=[

GA: who says rebar has to look like that. the average length and diameter could be replaced with pencil thick rebars of different lengths if the computer models say it works and it actually tests OK.


daringly use less metal; application anisotropy aware leaf sping form;

rebar spaghetti measurer [link]; spaces things apart 100-400 cm;

nail coating; microfine 4/5 better; wettabily paint


QR code laser scanner is less than $5.40 at alibaba. chnage the optics and the laser and it is a laser engraver.


drill a hole with juice
or
nanochevron a nail
or
understide of nail cap is toothed

or

allotrope tin in microgrooves nails, -0-
Non tina allotrope alikes at a scan of all alloys phase diagramss.

swelling hardshell polymer nail; it puffs up as it converts to new form of polyemer crystal. foams, also staple coatings and should the foam sweat 1 month set superglue? 3m,

laser engrave curvy arrow chevrons (You look up at the big spiral staircase of the Guggenheim, you paint > > on the lfoor” on screws/nuts of a size that makes them 1-100% harder to remove, but still usscrewable.

So chevrons the entire length of the screw/nut because you donot know where it is actually going to go through material or mate with a nut (nut & bolt)

Raving looney party version: paint the chevrons on the screws; prove they are more fristional 1-100%. Make it sothat if you really dislike them you can put a simple tool atopthe screw (or nail) that melts thepainted on chevrons at something harmless
but unusual like 170. This could also be fine for craftomg factoris (windows, doors) where they rework completed objects thatdon’t pass QC.

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