John @Chemist_John_ Twitter profile

Pinned Tweet

John

@Chemist_John_

15 days

1

4

42

Last Seen Profiles

@viz_ai

@a_s_yume4_

@michealodea

@bokeplokalmalam

@galery_basah10

@SemajNeda76257

@vyMetalX

@WanyiXie0628

@m8806790

@horangyin

@avezturine

@va_kroek

@bokeplokalmalam

@TLMDRealities

@LavaleSeki80994

@_franmustdie

@Prima72323313

@dul_turkporno

@BabulHossain99

@D_r_ea_m29

@ElidaChare74910

@D_r_ea_m29

@nothyzungu

@D_r_ea_m29

@NxT4gQaSp6dDqwC

@UBCity_Council

@ujihoonzi

@BlackStarknet

@librada10339

@yarranaldo

@imyeonghun47317

@CristinDay41815

@LongMaricu69452

@bekke_gil

@CultureOnAvax

@apache_fol

John

@Chemist_John_

3 months

I want a video game where I can autistically command near-future spacecraft using real-world orbital mechanics

406

251

5K

John

@Chemist_John_

3 months

No printers No soldering stations No oscilloscopes No Bridgeport No lathe Just cringe soydevs churning out their latest VC grifts, hoping to save up enough money to flee their dying state

Yuma

@yumahey

3 months

This is why I love SF, people spending their full Saturday building @AGIHouseSF

307

83

1K

76

157

3K

John

@Chemist_John_

4 months

@UnseenOps Real life SCP containment

6

9

3K

John

@Chemist_John_

12 days

How Americans sleep knowing we can recreationally fly skyscrapers into solar orbit

SpaceX

@SpaceX

12 days

Starship stacked ahead of its fifth flight test. We expect regulatory approval in time to fly on October 13

1K

4K

34K

17

91

2K

John

@Chemist_John_

10 months

@CreepyOrg I was lucky enough to catch a glimpse of a B-2 flying overhead at night, close to the ground. The strangest part of the encounter was that I could not hear any engines, no could anybody I was with. The plane was absolutely silent as it passed quickly above us.

34

9

2K

John

@Chemist_John_

5 months

There is a full instructable on making linear motors. Someone emailed this hidden gem to me today. Very cool.

18

54

704

John

@Chemist_John_

3 months

@real_lord_miles Very disappointed by the Taliban’s denial of Lord Mile’s request to wage a one-man jihad on ISIS.

2

6

511

John

@Chemist_John_

3 months

- each vessel has limited delta-V limit - deploy drones recon drones from ships - rail guns, kiloton & megaton nukes - point defense lasers and cannons - Kessler syndrome debris fields - ability to program flight plans

25

0

388

John

@Chemist_John_

7 months

@MachinePix We all have days where we can relate to this little guy

1

15

346

John

@Chemist_John_

4 months

Uber (which has never been profitable) has raised a sum of 25 billion dollars from Silicon Valley VC & friends. JLCPCB’s series A was 30 million dollars. For the price of Uber, the US could have more than 800 CNC & PCB factories.

Andrew McCalip

@andrewmccalip

4 months

Why don't we have Amazon scale gigafactory warehouses full of CNC machines? •Don't do anything fancy. •Don't invent any new technology. •Don't over automate. •Don't start with 5 axis aerospace, do 2 and 3 axis commodity level parts. •Just execute insanely well on the

227

111

2K

7

37

334

John

@Chemist_John_

3 months

the actuators are in the palm, eww Drop the gimbal motors on the wrist, run steel or Kevlar cables through, and cover the whole thing in a rubber glove to protect against liquids and dust

Brett Adcock

@adcock_brett

3 months

Figure 02 coming tomorrow ~8am ET

113

192

2K

24

12

323

John

@Chemist_John_

3 months

Lots of replies and likes...I should post my schitzo notebooks more often.

13

0

299

John

@Chemist_John_

10 months

@_nickea @CreepyOrg All I know is that I could not hear a thing, but it was close enough to the ground that everyone recognized the outline in the middle of the night.

2

0

293

John

@Chemist_John_

16 days

someone scored a UR-5 robotic arm for only $3,000

13

3

278

John

@Chemist_John_

7 months

@That_Chemist YouTube inventors in 2030 will make this engine in their garage for the reward of 250K views. It will be awesome

4

2

208

John

@Chemist_John_

21 days

this plan won’t work VC exists to fund cringe apps, not fuel war-time-levels of growth in heavy industry. You are looking for a trillion dollar deal backed by a central bank, not VC.

Aaron Slodov

@aphysicist

21 days

should i write an article about how building factories is actually a venture scale opportunity?

65

11

441

11

4

199

John

@Chemist_John_

7 months

Desktop 4-axis wire EDM S O O N ™

13

9

181

John

@Chemist_John_

1 year

@TheSubHunter1 Warthunder fans be like, "I can fix her"

0

1

145

John

@Chemist_John_

7 months

Day 1 of 3D printing a desktop wire EDM machine

12

3

153

John

@Chemist_John_

4 months

"I 3D model my twisted pair cable harnesses in full detail"

4

5

150

John

@Chemist_John_

6 months

@gamedevdotcom KSP failing would be a devastating hit to aerospace education.

1

0

117

John

@Chemist_John_

3 months

@_AHariharan They rejected my application (they don’t hire biochemists)

7

0

113

John

@Chemist_John_

6 months

You can build an entire wire EDM filtration system with @McMasterCarr components. This system can pump 100 PSI water, while removing particles down to 5 microns

10

3

108

John

@Chemist_John_

4 months

🧵using @autodesk Fusion360 to make spur gears is too difficult! There is not a native, parametric tool for modeling even simple gears. While Fusion does offer third-part gear plugins, none of them support parameters or parametric modeling!

18

2

107

John

@Chemist_John_

1 year

our first wire EDM ⚡️test was a success a complete success! we are sooo back

5

9

94

John

@Chemist_John_

3 months

Texas will fail if the soyfugees migrate there. We need a wall around California, and the soydevs must pay for it.

0

1

94

John

@Chemist_John_

8 months

@chump_dick

0

2

89

John

@Chemist_John_

3 months

@LookAtMyMeat1

1

5

92

John

@Chemist_John_

10 months

@CreepyOrg I think I grew up near a location where some contractor was testing silent aircraft propulsion. A few people in my town had stories of helicopters soundlessly passing over their property.

3

0

86

John

@Chemist_John_

5 months

never thought I would get to hold a TOOL STEEL #3Dbenchy

9

5

90

John

@Chemist_John_

4 months

@CooperZurad “wE aRe goINg tO reIndUstRialIze tHe uS with hUmAnOID rOboTs” - someone who has never seen the inside of a factory

1

4

88

John

@Chemist_John_

5 months

@BambulabGlobal I printed an entire wire EDM machine from Bambu CF-PLA

4

0

83

John

@Chemist_John_

5 months

Here is what happens when you put a drone motor underwater for 10 days.

12

5

78

John

@Chemist_John_

6 months

American industry has a superfluous class of e-mail clerks, who exist only to exchange low-bandwidth information at great financial expense. American manufacturing is rate limited by e-mail. We need standardized APIs and web tools to replace them.

1

9

71

John

@Chemist_John_

6 months

Are you building hardware? If so, your greatest source of stress is managing inputs. Live updates help solve this problem by illuminating the process to the customer. Live manufacturing status updates are the future, to the same degree that live tracking is the status quo in

4

10

69

John

@Chemist_John_

2 months

nu-internet feels like the dim-witted cousin of pre-2015 internet - copyright killing reference material - link rot - AI generated spam - general decline of search engines All my searches on Bing, Google, and DDG keep bring me back to the same stack overflow and reddit pages

9

2

72

John

@Chemist_John_

5 months

@DanCollins2011 You cannot have smarter government without smarter voters. Every democracy has the governance it deserves.

5

2

68

John

@Chemist_John_

11 months

We print this much filament every month for product development @RackRobotics Rapid part revisions, every hour, 12 hours a day, 6 days a week

6

5

68

John

@Chemist_John_

4 months

Deinstrualization is a choice. Our investment class would rather gamble on blitz scaling software bubbles than solve real world problems.

2

5

66

John

@Chemist_John_

3 months

@MaximeEuziere I am busy building robots, and don’t have time to learn unity

3

0

64

John

@Chemist_John_

4 months

@thinkdefence These probably cost an order of magnitude or two more than the drone. Net economic win for the team fielding the drone.

11

1

59

John

@Chemist_John_

3 months

These humanoid robots are not learning from nature, they are imitating it without intelligence. It is a cargo cult.

2

60

John

@Chemist_John_

3 months

The managers of @stratasys has done more damage to American manufacturing than any Chinese company

Nero3D the Canuck Creator

@CanuckCreator

3 months

Looks like @Stratasys is taking @BambulabGlobal to court over patent violations. RFID Spools and purge towers. Will be interesting to see how this plays out Links to docs here

49

25

137

2

7

59

John

@Chemist_John_

3 months

Why is this all hard plastic with motors on the inside? > use PP and nylon to create endoskeleton with living hinges >actuate with steel or Kevlar cables >over mold the entire assembly with silicone >over mold again with TPU >use flex kapton PCBs for integrated electronics

9

1

55

John

@Chemist_John_

3 months

@real_lord_miles How could he be wanted in America? We dedicated Rambo III and a space shuttle launch to his noble cause!

0

51

John

@Chemist_John_

3 months

@cyph3rpvnk How can soydevs even compete?

2

0

51

John

@Chemist_John_

9 months

printing tools is often faster and cheaper than purchasing them This is a solder paste dispenser from @printablescom that only requires a generic spring and M3 hardware. 1/6 the cost of a new dispenser, less waste, no shipping delays

3

50

John

@Chemist_John_

4 months

Our cringe future is being crafted by soyvestors in SF

1

4

52

John

@Chemist_John_

6 months

‘Contact for a quote’ must die. The future of manufacturing looks like OSHcut and JLCPCB, but with their API embedded in customer CAD and CAM tools.

1

6

52

John

@Chemist_John_

1 year

Wire EDM is going to take over I keep getting DMs from universities, laboratories, and shops 🎉Everyone interesting on Earth needs access to desktop metal fabrication asap

2

3

48

John

@Chemist_John_

11 months

We are so back 🎉

1

2

49

John

@Chemist_John_

4 months

update; Fusion360 has crashed...

5

0

49

John

@Chemist_John_

10 months

@DankLonk1980 @CreepyOrg It was moving slowly and at low altitude, almost like a stadium flyby. Definitely was not supersonic

3

0

45

John

@Chemist_John_

3 months

@MaxLobovsky 1. Micronics was special, and presented a unique threat compared to everything else on the market. 3K for a quality SLS machine is wild, and it would have displaced thousands of FormLabs Fuse 1 sales. 2. FormLabs products are only “affordable” compared to ludicrously expensive

1

2

48

John

@Chemist_John_

3 months

@whatifalthist Democracy does not permit long term planning. The plans of one regime can be subverted or reversed by the next regime. So our political system can only see 4 years ahead.

2

0

45

John

@Chemist_John_

6 months

The night vibe at Rack Robotics

3

0

46

John

@Chemist_John_

3 months

@FrenlyFrenchBoi Surely, someone could manufacture this for $500K at scale? Asking because I would rather live in this than a McMansion.

0

46

John

@Chemist_John_

1 month

@real_lord_miles Will you take up any hobbies? Perhaps arts and crafts my mail?

1

0

45

John

@Chemist_John_

11 months

@tunguz First we had ether, now we have dark matter. Except dark matter proponents are much further institutionally entrenched

4

0

44

John

@Chemist_John_

4 months

@DanCollins2011 Dropping the cost of an MRI 90% is a significant step forward. It means the same dollar can buy 10x more equipment: More machines in the wild leads to shorter waiting times, and faster diagnosis. The US can either catch up, or go the way of the Soviet Union.

4

2

43

John

@Chemist_John_

1 year

@MorlockP Reject store management, become local warlord

1

0

42

John

@Chemist_John_

10 months

@IIMaGiCzZII @_nickea @CreepyOrg The most likely answer

0

43

John

@Chemist_John_

6 months

Filming the Betta Wire 4-axis wire EDM machine today

0

2

44

John

@Chemist_John_

3 months

@GarrettPetersen LLMs are useful, but investors are going to find out they are not getting what they were sold. LLMs are not general AI, and never will be. For sure, it is useful for generating text and replacing search engines. But neither of those markets are going to justify a 100x cap.

1

2

39

John

@Chemist_John_

6 months

My doomsday device is ready

4

0

41

John

@Chemist_John_

4 months

The @Prusa3D Pro HT90 has the cleanest looking FDM tool I have seen. Almost no wiring is visible. DC Fans were never meant for high-acceleration, elevated temperature environments. Thank you for choosing pumped air.

4

2

42

John

@Chemist_John_

1 month

>egg timer >alligator clips >1/8” hole in pressure vessel whichever government agent crafted this should feel ashamed of zer self

Palmer Luckey

@PalmerLuckey

1 month

This is the biggest mystery of the election, IMO. It should be such an easy talking point. Every possible explanation is a bombshell.

29

44

713

5

0

41

John

@Chemist_John_

3 months

@GreenTextRepost Funny school story >I refuse to communicate with students outside of school hours >I refuse to give out my phone number to anyone >I refuse to do homework outside of lunch hours, and only at the library Normie girl had to come down to the library during lunch to do group

1

0

36

John

@Chemist_John_

3 months

@personofswag Usury is the enemy of growth.

3

0

36

John

@Chemist_John_

3 months

@whatifalthist A majority of all US economic activity is private companies providing goods & services for the government, contracts who work for the government, government employees, and welfare recipients. All of agriculture, medicine, and construction have been capture by government

2

1

37

John

@Chemist_John_

1 year

✅ a new location has been added to your map

7

0

36

John

@Chemist_John_

7 months

The new wire EDM motherboards arrived! I had some issues with attrition while placing the PCB order. I am going to need to place a few ICs by hand tomorrow.

3

1

37

John

@Chemist_John_

3 months

@justalexoki Evolution favors wider male bell curves because males are disposable, thus the opportunity cost of mutation is lower. Evolution favors narrower female bell curves because females are not disposable (especially among primates which follow K-selection). Overall, the delta of

5

1

37

John

@Chemist_John_

10 months

@roprgm @CreepyOrg Nope. Even if I had tried, I don’t think a smart phone camera could capture that sort of thing at night.

0

36

John

@Chemist_John_

11 months

@Doranimated You cannot substitute SaaS & retail for heavy industry, and expect your country to be a global super power US hegemony is over, and it will take decades to rebuild it. Ports, railways, and factories take years to construct.

4

6

35

John

@Chemist_John_

1 year

I’m watching an American wire EDM shop tour. The owner is still using his father’s first EDM machine from the 90s Robots that are too expensive to replace end up clogging up our country’s manufacturing infrastructure

1

3

37

John

@Chemist_John_

3 months

Boomer-mode injection molding is not going to survive another generation; between mass retirement, deinstrustrialization, and global strife. Desktop EDM provides an off-ramp, which can scale molds and dies down to the community level, similar to 3D printing.

4

2

35

John

@Chemist_John_

6 months

I found a little piece of sheet metal that was fabricated with wire EDM ⚡️ America is so far behind China, we think of wire EDM as rare (in shortage), and consign it to only the most luxurious applications

6

2

35

John

@Chemist_John_

4 months

@balajis The political will to solve this problem does not exist, nor is an inflationary, debt-saddled USG capable of orchestrating such industrial development. This problem will lay in plain sight, until a crisis emerges, at which point it will be too late to course correct.

2

31

John

@Chemist_John_

6 months

@GeneralMCNews A moderate perspective. I have a unique view. I am trained for a career in biotech and drug discovery. Recombinant DNA and molecular cloning mostly. 1) This technology is not inherently safe or dangerous. It is a tool. Biotech can easily improve agricultural production, and

5

2

33

John

@Chemist_John_

3 months

DIN rails are so much fun

1

0

34

John

@Chemist_John_

4 months

Last night on July 3rd I was reminded what makes America great >late night walk >cop car turns on flashing lights and makes a U-turn >pulls over next to me >cop gets out and pulls flashlight >shining it in my face >starts asking me questions about being out late at night >I

3

1

33

John

@Chemist_John_

6 months

POV - You are about to suffer an industrial finger removal event (you do not have health insurance)

6

1

33

John

@Chemist_John_

6 months

it looks like mastering photolithography is taking a physical toll on @BreakingTaps

5

0

33

John

@Chemist_John_

9 months

Princeton loved the photo of our wire EDM demo cuts. Every engineering educator in America is going to want a desktop wire EDM machine in their lab or classroom. Desktop 3D printing was not an isolated success. It is a proof of concept!

0

2

33

John

@Chemist_John_

3 months

@okthisisnagy You did your species a great service

1

0

32

John

@Chemist_John_

3 months

@TrevorCampbell_

0

3

32

John

@Chemist_John_

7 months

SOON™

2

29

John

@Chemist_John_

6 months

They don’t want you to know this, but you can 3D print your own wire EDM machine. I have 15 wire EDM machines in my garage. ?

I 3D printed a 4-axis wire EDM machine that can cut anything conduc...

🔴 Pre-orders for the Betta Wire kit ⚡: https://rackrobo.io/products/BWV1🔴 Powercore V2 order link ⚡: https://rackrobo.io/products/PCV2🎮 Come hang out on D...

www.youtube.com

0

1

29

John

@Chemist_John_

3 months

I predict that in the next decade, the US government will kill American civilians with AI-guided weapons. I predict that the first reaction will be a cover up, then denial, then USG will say that random civilian deaths are necessary for national security.

0

3

30

John

@Chemist_John_

8 months

@nypost “If you see a thief, and fail to shoot him, you have only encouraged the breed.” -H. Beam. Piper, sci-fi libertarian author, First Cycle

1

0

25

John

@Chemist_John_

6 months

@softminus Quantity has a quality all of its own

0

1

28

John

@Chemist_John_

10 months

Hardware developers run on something more powerful than coffee, magic smoke

0

1

28

John

@Chemist_John_

5 months

I now hate Molex KK type connectors. The housings are terrible.

2

1

26

John

@Chemist_John_

11 months

@RackRobotics The #wireEDM machine you are looking at was designed and built in less than a month! @RackRobotics will be selling tens of thousands of wire EDM machines to high schools, universities, laboratories, and shops Designed in America 🇺🇸 Made in America 🇺🇸

0

2

25

John

@Chemist_John_

6 months

I love making cables now

2

0

25

John

@Chemist_John_

7 months

@kegrocket It is a desktop 4-axis wire EDM machine, how could it not look cool??

2

1

25

John

@Chemist_John_

3 months

Imagine all the materials humans have yet to discover. Self-healing superconductors of unimaginable strength are likely possible. God-like power flows from material science.

Ronald van Loon

@Ronald_vanLoon

3 months

This glass is repairable by @gigadgets_ #TechForGood #Tech #Technology #FutureOfWork #Innovation cc: @terenceleungsf @space_mog @ravikikan

1

7

10

1

25

John

@Chemist_John_

7 months

I spent 14 hours today trying to fit a 20 mm spring inside of a wire EDM toolhead, so that the entire machine can fit inside of a 10 gallon aquarium from Walmart.

3

0

24