Science, Mathematics & Technology

3106 topics

Page 3 of 63
- Jump to page:
Previous
1
2
3
4
5
…
63
Next

Topics

Replies

Views

Last post

McMoon

by Pyrrho » Sun Feb 28, 2021 3:34 pm

First post

Awesome.

Fifty years ago, 5 unmanned lunar orbiters circled the moon, taking extremely high resolution photos of the surface. They were trying...

Last post

Like with the moon photos, they never revealed the level of detail they had

Because it’s war

8 Replies

99 Views

Last post by robinson
Mon Mar 01, 2021 3:28 pm
Sounds Legit

by Anaxagoras » Tue Jan 26, 2021 1:22 pm

First post

A New Idea to Harness Energy From Black Holes

The study, titled “Magnetic reconnection as a mechanism for energy extraction from rotating black...

Last post

Your Mom does not count!

– J.D.

4 Replies

75 Views

Last post by Doctor X
Wed Jan 27, 2021 8:41 am
Existence Proof -- xkcd gets one really really right.

by ed » Wed Jun 28, 2017 11:12 pm

First post

Chick mathematician? Lack credibility.

Last post

Trust me. In a year nobody will even remember this.

13 Replies

173 Views

Last post by robinson
Tue Jan 19, 2021 4:09 pm
Power Saver Plugs (and other frauds)

by Rob Lister » Tue Jan 19, 2021 12:33 pm

First post

Here's a scam that I haven't seen here but apparently there's a big market in the UK.

Saving Energy : According to customer habbit and...

Last post

smooth AC with a capacitor?

1 Replies

51 Views

Last post by ed
Tue Jan 19, 2021 12:36 pm
hyperloop

by Rob Lister » Sun Aug 11, 2013 5:05 pm
1

2
First post

Inside the Hyperloop: the pneumatic travel system faster than the speed of sound

It is called “The Hyperloop” and, according to the designer, it...

Last post

Still bilking millions for millions.

Joe Scott does an update.
67 Replies

4290 Views

Last post by Rob Lister
Tue Jan 19, 2021 12:35 pm
Deepfake

by ed » Thu Dec 24, 2020 1:05 pm

First post

Discuss

Last post

Point is that it is pretty good now and will get to be far better in 6 months.
That means sans independent verification, you can trust NOTHING

Even...

3 Replies

60 Views

Last post by Witness
Fri Dec 25, 2020 2:12 am
How to stop virus

by robinson » Sun Dec 20, 2020 4:39 pm

First post

Stop infected people from transmitting it.

Last post

How do know who is sick?

2 Replies

53 Views

Last post by robinson2
Sun Dec 20, 2020 5:10 pm
Putting the lid on Chernobyl

by Witness » Tue Apr 21, 2020 3:29 am

26 Replies

630 Views

Last post by gnome
Mon Dec 14, 2020 3:39 am
The aliens are silent because they're dead

by Rob Lister » Sun Jan 24, 2016 7:05 pm
1

2

3

4
First post

Astrobiology. How is that a fucking thing? Fledgling planet? Who wrote that and why didn't his editor kick his ass.

Last post

I've got an affinity for the Early Birds theory, even though that's kind of a disappointing one. It's my hunch.

I like all of them except 'the rare...
126 Replies

5238 Views

Last post by Rob Lister
Thu Dec 03, 2020 11:37 am
Why is it so hot?

by Witness » Sun Aug 05, 2018 2:59 am

First post

Present situation:

For the US:

Last post

Nature is a mystery

:D

25 Replies

467 Views

Last post by robinson
Fri Nov 20, 2020 12:46 am
The Forgotten Number System

by robinson » Fri Nov 06, 2020 4:01 am

How strange

0 Replies

78 Views

Last post by robinson
Fri Nov 06, 2020 4:01 am
Water found on the moon

by gnome » Mon Oct 26, 2020 5:28 pm

First post

Independent.co.uk article

Apparently something is allowing water to be sustained even in sunlit areas, which has implications for the practicality...

Last post

They found water

Independent.co.uk article

Apparently something is allowing water to be sustained even in sunlit areas, which has implications...

2 Replies

52 Views

Last post by robinson
Tue Oct 27, 2020 2:50 am
Room temperature superconductivity achieved

by Witness » Thu Oct 15, 2020 11:17 pm

Room-temperature superconductivity in a carbonaceous sulfur hydride

Abstract

One of the long-standing challenges in experimental physics is the...

0 Replies

84 Views

Last post by Witness
Thu Oct 15, 2020 11:17 pm
It was 40 years ago today

by robinson » Sat Sep 26, 2020 1:06 pm

First post

I discovered something quite amazing, from a physics POV

Like many “ignorant how the world actually works” people, I thought I should carefully...

Last post

And I would give 1000 to one odds as well

20 Replies

134 Views

Last post by robinson
Thu Oct 15, 2020 3:45 am
Plastic-eating enzyme 'cocktail' heralds new hope for plastic waste

by sparks » Wed Oct 07, 2020 5:55 pm

Killing off a warehouse full of Pepsi Zero is not evil! :)

0 Replies

84 Views

Last post by sparks
Wed Oct 07, 2020 5:55 pm
RIP Vaughan Jones

by Witness » Sun Oct 04, 2020 1:34 am

First post

Vaughan Jones (1952–2020)

Mathematician whose invention connected knots to quantum physics.

In 1994, mathematician Vaughan Jones walked on stage...

Last post

Too deep. Upside-down grain silo deep.

1 Replies

31 Views

Last post by Rob Lister
Sun Oct 04, 2020 10:29 am
Coronavirus, Global warming, and impeaching the sources

by robinson » Mon Jul 20, 2020 7:24 pm

First post

Over in some other topic about some virus we don't really know much about, I realized after making a comment about it (see below)

I think everybody...

Last post

Of course there is. In fact, the history of science is full of examples where a vested interest, or religious/crazy belief systems try to impeach...

2 Replies

557 Views

Last post by robinson
Thu Oct 01, 2020 11:50 am
New Ice Age Coming?

by Anaxagoras » Tue Sep 22, 2020 5:02 am

First post

Now with more :cowbell:

Last post

Deniers aren’t happy with history, because even historic events and data doesn’t support their beliefs about nature.

I call them “alarm ringers”...

8 Replies

129 Views

Last post by robinson
Thu Oct 01, 2020 11:43 am
Tsar bomba

by robinson » Thu Aug 27, 2020 2:55 pm

1 Replies

232 Views

Last post by robinson
Thu Oct 01, 2020 4:03 am
Breakthrough Prize

by Witness » Mon Sep 28, 2020 1:13 am

First post

Imperial mathematician scoops $3m Breakthrough Prize

Professor Sir Martin Hairer is the single winner of the 2021 Breakthrough Prize in...

Last post

Announced in 2020, awarded in 2021

5 Replies

44 Views

Last post by robinson
Mon Sep 28, 2020 1:28 pm
Avian dinosaur wings

by Witness » Sun Jul 03, 2016 3:20 am

First post

Rare Dinosaur-Era Bird Wings Found Trapped in Amber

Two tiny wings entombed in amber reveal that plumage (the layering, patterning, coloring, and...

Last post

Dinosaurs had feathers and bat wings

The more we learn the more we know almost everything we thought we knew about dinosaurs was wrong

1 Replies

229 Views

Last post by robinson
Thu Sep 24, 2020 7:29 am
The Truth About 5G

by Witness » Sun Sep 20, 2020 2:41 am

5G availability map (by Ookla):

0 Replies

72 Views

Last post by Witness
Sun Sep 20, 2020 2:41 am
Megalodon

by ed » Thu Sep 17, 2020 6:17 pm

First post

Just cool

Thought the shark from Steven Spielberg’s Jaws was scary? Think again. For the first time, researchers have determined the 2D body...

Last post

The size of the teeth was well known:

And here's a reconstruction of the jaws:

4 Replies

51 Views

Last post by Witness
Fri Sep 18, 2020 12:40 am
He just keeps winning!

by Witness » Sat Feb 01, 2020 2:06 am

First post

Gravity Probe B

Gravity Probe B (GP-B) was a satellite-based mission to test two unverified predictions of general relativity: the geodetic effect...

Last post

Albert wasn’t just smart about physics

He was also very wise about people

6 Replies

734 Views

Last post by robinson
Wed Sep 16, 2020 11:59 pm
Who here loves Fibonacci number? C'mon we're all quasi-anonymous here ...

by ed » Tue Sep 08, 2020 6:20 pm

Into the damn pond with him

0 Replies

40 Views

Last post by ed
Tue Sep 08, 2020 6:20 pm
The space shuttle is back!

by ed » Mon Sep 07, 2020 4:12 pm

Ripped off our design.

Typical

1 Replies

31 Views

Last post by Witness
Mon Sep 07, 2020 11:57 pm
Correlation between earthquakes and solar activity?

by Anaxagoras » Sun Sep 06, 2020 2:54 pm

First post

This headline seemed far-fetched to me, but it's in a respectable journal and the correlation does seem to be rather strong.

On the correlation...

Last post

Low solar activity and earthquakes, as well as volcanic activity have been strongly connected for a long time. It was considered ATM so most people...

3 Replies

30 Views

Last post by robinson
Sun Sep 06, 2020 8:15 pm
Flying-V

by Witness » Sat Sep 05, 2020 3:05 am

First post

The ‘Flying-V,’ a Fuel-Efficient Alternative to Jumbo Jets, Just Flew for the First Time

A scaled version of the V-Wing made its first flight,...

Last post

Some other weird things, if you care:

5 Replies

47 Views

Last post by Witness
Sun Sep 06, 2020 12:23 am
Do Storks Deliver Babies? Finally some definitive statistics.

by Anaxagoras » Wed Sep 02, 2020 1:46 pm

Gotta watch till the very end.

0 Replies

276 Views

Last post by Anaxagoras
Wed Sep 02, 2020 1:46 pm
Something never seen before captured on video

by robinson » Tue Aug 11, 2020 7:07 am

First post

I love Twitter and that almost everyone in the world has a video recording device on them

Last post

Back on topic

Kinda weird, but it looks like that explosion was set off from the top of a tower.

It's not clear, but there appear to be some...

14 Replies

582 Views

Last post by Bruce
Sat Aug 29, 2020 1:49 pm
Great news from India that concerns all of us!

by asthmatic camel » Fri Jul 31, 2020 4:16 am

First post

Asshole.

Dwivedi explained that the asteroid is currently close to the orbit of Mars -- but in 1 million years, it will change its orbit and move...

Last post

The Dino killer size shit, they are working on spacecraft to change the orbit. Which turns out to be not that hard. I’m sure Elon Musk could do it...

14 Replies

573 Views

Last post by robinson
Tue Aug 25, 2020 7:15 pm
"Supergiant" new species of isopod discovered in the deep ocean

by Anaxagoras » Sun Aug 16, 2020 11:08 am

First post

Well, compared to a regular pillbug.

Last post

Annoying music .

4 Replies

417 Views

Last post by Witness
Mon Aug 17, 2020 9:24 pm
Wanna lay on the beach, but don't feel like doing Earth again? Honk if CERES is still a planet.

by shemp » Tue Aug 11, 2020 11:52 pm

First post

If it has water, it could someday become a base for human exploration of the outer solar system. Of course, mankind will fucking destroy itself first.

Last post

Claims of ‘Ocean’ inside Ceres May Not Hold Water

3 Replies

518 Views

Last post by Witness
Thu Aug 13, 2020 7:39 pm
Weather forecast: Mushy ammonia hailstorm as usual.

by Witness » Tue Aug 11, 2020 10:54 pm

Nice picture, but what's wrong with the astronomy thread? Or was it just for the title? :?

0 Replies

412 Views

Last post by Witness
Tue Aug 11, 2020 10:54 pm
How many deaths?

by ed » Mon May 04, 2020 10:56 am

This is a do it yourself project. Below I have computed average monthly deaths for the USA for the period 2012-2015. The red bars are standard...

11 Replies

1105 Views

Last post by robinson
Tue Aug 11, 2020 2:15 pm
The Origin of Elements

by sparks » Sun Aug 09, 2020 1:32 pm

First post

There's a lot of extra 'science' there that has yet to be vetted beyond the original explanation of supernova.

Not buying it at this point.

Last post

Hydrogen and Helium--Big Bang.

Everything else--Supernova.

7 Replies

487 Views

Last post by sparks
Mon Aug 10, 2020 8:19 pm
And you thought fluoride was bad ...

by Pyrrho » Fri Aug 07, 2020 4:13 pm

I remember when some folks were preaching about putting Prozac in the water. Everybody should be taking it!

0 Replies

452 Views

Last post by Pyrrho
Fri Aug 07, 2020 4:13 pm
How cops can secretly track your phone

by robinson » Tue Aug 04, 2020 3:23 pm

Invasion of privacy with out a warrant

It’s so North Korean

0 Replies

420 Views

Last post by robinson
Tue Aug 04, 2020 3:23 pm
Automotive tech thread

by Rob Lister » Sun Aug 02, 2020 9:17 pm

There's a defect in the tire on the right side.

0 Replies

426 Views

Last post by Rob Lister
Sun Aug 02, 2020 9:17 pm
Germany to ban single use plastics by 2021

by Anaxagoras » Fri Jul 31, 2020 2:44 pm

First post

Germany to ban single use plastics by 2021

I'm a bit skeptical about this, but what do you think? Possible? Realistic? A worthy goal or not?...

Last post

I'm not sure if saran wrap is included in the definition. I assume it means things like plastic shopping bags, any kind of plastic packaging, plastic...

2 Replies

445 Views

Last post by Anaxagoras
Fri Jul 31, 2020 9:55 pm
A Battery of Bad News for Bruce

by asthmatic camel » Mon Jul 27, 2020 5:54 am

First post

Durian Fruit shows promise in alternative battery research.

The stench got too much Gomes’ wife, who removed all remnants of the foul-smelling...

Last post

Reminds me of one particular analyst that came up with the brilliant idea of derivatizing with butyric acid, which works great on paper, and if...

2 Replies

580 Views

Last post by Bruce
Mon Jul 27, 2020 11:59 pm
What will your next car's technology use?

by Rob Lister » Sat Jul 18, 2020 3:29 pm

Let Joe Scott Mansplain it to you, in:

Hydrogen Fuel Cell Cars Aren't The Dumbest Thing. But...

Don't jump to conclusions and think this in any...

7 Replies

624 Views

Last post by robinson
Mon Jul 27, 2020 8:35 pm
New! Quick and easy way to destroy the natural world

by robinson » Thu Jun 25, 2020 5:20 pm

7 Replies

776 Views

Last post by robinson
Sun Jul 19, 2020 8:10 pm
London Crane Collapse | Explained

by Rob Lister » Tue Jul 14, 2020 9:07 pm

First post

Bow crane collapse: Killed woman was 'very caring'

Media captionA 20-metre (65ft) crane crashed on to two properties in Gale Street, Bow

An...

Last post

Optimist! :)

6 Replies

552 Views

Last post by sparks
Wed Jul 15, 2020 5:32 pm
This is beyond ridiculous

by robinson » Fri Jul 10, 2020 2:21 pm

First post

So last night I see tweets about Flo

And I do the math and I am like, what the fuck?

The sixth named storm this year? What the fuck?

So this low...

Last post

Just realized it was called Fay not Flo

5 Replies

600 Views

Last post by robinson
Sat Jul 11, 2020 1:25 am
World’s pile of e-waste grows ever higher

by Rob Lister » Thu Jul 02, 2020 9:55 pm

First post

BERLIN (AP) — The world’s mountain of discarded flat-screen TVs, cellphones and other electronic goods grew to a record high last year, according to...

Last post

Excellent!

1 Replies

577 Views

Last post by Witness
Thu Jul 02, 2020 10:06 pm
It may soon be illegal to pass the Turing test

by Pyrrho » Sun May 12, 2019 3:15 pm

First post

Any law that ain't a law will be a law. --Captain's Law

Last post

Kill everybody

All problems solved

8 Replies

1208 Views

Last post by robinson
Mon Jun 29, 2020 10:09 pm
How does evolution kill black people?

by shemp » Fri Jun 26, 2020 7:48 pm

First post

Somebody forgot to take their meds.

Last post

Another typical video from the same channel

2 Replies

699 Views

Last post by Anaxagoras
Sat Jun 27, 2020 6:37 am
Railway anniversary

by Witness » Sat Sep 27, 2014 1:47 am

First post

The Stockton and Darlington Railway (S&DR) was a railway company that operated in north-east England from 1825 to 1863. The world's first public...

Last post

Another Monet: Saint Lazare (station), same date:

Same with frame, different colors:

3 Replies

736 Views

Last post by Witness
Mon Jun 22, 2020 12:28 am
Plasma emitters

by Pyrrho » Wed Jun 17, 2020 11:04 pm

First post

Furnace folks want to sell me one to clean out dust, mold, and that COVID .

Not buying one, but if anyone feels like giving me a 'splainer...go...

Last post

I think the rep meant ion generator . There's a Plasma Air company that makes 'em.

Seems similar to electromagnets on copper water pipes. To prevent...

8 Replies

838 Views

Last post by Rob Lister
Sat Jun 20, 2020 7:13 pm

3106 topics

Page 3 of 63
- Jump to page:
Previous
1
2
3
4
5
…
63
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum