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Magazine about Earth, Science and Energy

Tech Editor & Advisor

Hugo Rojas

Hugo is an engineer with strong technical expertise and deep knowledge of the space industry. Multilingual from an early age, his writing combines technical clarity with a strong interest in science and energy.

917 articles for The Pulse LinkedIn

—Latest by Hugo Rojas

Robot lights catching a bumpy snailfish two miles down

Biologists needed 6 years to name the bumpy snailfish an underwater robot filmed at 10,722 feet, and that single encounter off California is still the only confirmed sighting of the animal

AUG 2, 2026

Snapped turbine blade hanging from an offshore wind turbine hub

One turbine blade broke off 15 miles from Nantucket and closed every south shore beach, and inspectors then found the same bonding flaw in 66 of the 72 blades already standing

AUG 2, 2026

Finished weld line running down a vacuum vessel joint

Closing the vacuum vessel of the world’s largest fusion machine takes 10,000 welds and 30 months of round the clock work, and the finished ring has to hold a near perfect nothing

AUG 1, 2026

Beekeeper restacking hive boxes after a roadside bee spill

A truck carrying 70,000 pounds of hives rolled over on a Washington farm road, and the bee spill that followed made the state write a 10 page plan that had never existed anywhere

AUG 1, 2026

Indus river dolphin surfacing in the silty brown Indus current

Surveyors counted 132 Indus river dolphins in the entire river system at the low point, and the last full census put the population just under 2,000, in an animal that is functionally blind

AUG 1, 2026

A great blue heron standing on a solar panel array in a wetland, solar panels herons, year 400 million

They checked 5 desert solar farms for the water birds everyone says mistake the panels for a lake, and not one bird was seen circling, approaching or landing on them

AUG 1, 2026

Biologists testing a mantis shrimp with two colored fiber cables

Biologists gave a mantis shrimp with 12 color receptors the same test they give humans with 3, and the animal could not tell apart shades a honeybee separates without trouble

AUG 1, 2026

Camera tower tracking a golden eagle over a wind farm

A Wyoming wind farm swapped 7 human spotters for 47 camera towers that shut a turbine down in under 2 seconds, and golden eagle deaths at the site dropped by 82 percent

AUG 1, 2026

Great blue heron standing in American wetlands beside flooded ground

A single acre of American wetlands can hold 1 million gallons of floodwater, and the country drained about a billion acres of them before anyone counted the cost

JUL 31, 2026

A overheight truck load striking one of 6 bridges on a turnpike

A driver hauling a utility pole base without a permit hit 6 bridges in one run on an Oklahoma turnpike, and the repair bill came to 491,700 dollars

JUL 31, 2026

people wading in shallow water beside a great white shark stranded on a sandbar, tourist father his

A tourist father, his 11 year old son and three strangers spent nearly an hour in the shallows off Australia, and the 10 foot animal they were pushing back out to sea turns out to be one of the ocean’s rarest and most misunderstood giants

JUL 31, 2026

Cave column rising in front of 46 wind turbines above a Texas river

Ranchers in Texas filed a lawsuit over 46 wind turbines planned near a river called pristine, and the creature living in a nearby cave by the hundreds of thousands is the part the legal brief barely mentions

JUL 31, 2026

a translucent box jellyfish with 24 eyes drifting near mangrove roots in brackish water, 24 eyed cube

A 24 eyed cube no bigger than a thumbnail turned up in a Hong Kong shrimp pond, and its Caribbean relative can learn to dodge obstacles with 4,000 nerve cells and no brain

JUL 31, 2026

Woman crouching among rescue cats in her home foster room

A woman in Oakland housed 70 rescue cats for a neuter charity and the IRS refused her 12,068 dollar deduction, and the tax court handed her a win that still cost her money over one missing letter

JUL 31, 2026

Biologist filming California ground squirrels from the dry grass at Briones

Biologists had watched the same California ground squirrels for 11 years without seeing it, and in the 12th summer they filmed 74 vole hunts in 7 weeks

JUL 31, 2026

Reef fish massing around a wind turbine foundation off Taiwan

Every reef fish the divers found off Taiwan sat within 165 feet of a turbine leg, and 86 species had packed into that ring of steel on an otherwise empty seabed

JUL 30, 2026

Freight train on the rail line between two oceans in Mexico

A rail line 191 miles long across the narrowest part of Mexico is the reason the Port of Sines in Portugal signed a shipping deal 5,000 miles away in February

JUL 30, 2026

Spotted turtles in a shallow marsh behind a nuclear plant buffer

Ohio drained 90 percent of its wetlands, and the marsh where spotted turtles still nest sits inside the 1,100 acre buffer of a nuclear plant on Lake Erie

JUL 30, 2026

Landscaper working a commercial leaf blower through fallen leaves

Running one commercial leaf blower for an hour matches the smog forming pollution of Camry driven 1,100 miles, which is Los Angeles to Denver without a stop

JUL 30, 2026

massive 3D printed concrete wall rising in layers at a desert construction site, printing 2 schools

Crews in the Qatari desert have pulled a printer longer than a Boeing 737 apart and rebuilt it 15 times, and the 3D printed schools it leaves behind are the largest ever built

JUL 30, 2026

a honeybee on wildflowers demonstrating honeybee arithmetic and numerical cognition, brain lighter than

A backyard insect with a brain lighter than a sesame seed has settled a 30 year debate, and the arithmetic hiding inside fewer than a million neurons is upending what we thought intelligence required

JUL 29, 2026

largest container ship bow cutting through ocean with air bubbles at the waterline, carry 24 346

Built to carry 24,346 steel boxes across 12,000 miles of open ocean, this vessel blows 180 million bubbles through its hull, and the living thing that followed it into the Pacific is something almost no dock worker ever stops to picture

JUL 29, 2026

oldest lizard ancestor fossil skull resting on Devon beach sandstone, fossil skull smaller

A fossil skull smaller than a thumbnail turned up on a Devon beach in 2015, and the 12,000 species of creature living in every American backyard right now have been waiting for this one to surface for 242 million years

JUL 29, 2026

Solar panels on a steel canopy above a flowing irrigation canal

A student in California modeled what would happen if solar panels roofed the state’s 4,000 miles of irrigation canals, and the first stretch built from her numbers is losing 70 percent less water

JUL 29, 2026

Banana fiber clamped in a tensile testing machine in a laboratory

Growers cut the banana plant down after one bunch and leave it in the mud, where banana fiber stronger than jute and sisal rots back into the soil

JUL 29, 2026

Young researcher counting moth caterpillars under a white LED lamp

A PhD student spent 400 hours counting moth caterpillars along English roadsides at night, and what the white LED lamps had done to the hedgerow was five times worse than he expected

JUL 29, 2026

Hand holding a mirror to a magpie during a mirror test

A German lab held a mirror up to 5 magpies, and the mirror test result that made the bird famous is the one part nobody has been able to repeat

JUL 29, 2026

Street thermometer on a Turkish stone wall during a heat record

Shutters came down over every shopfront in Silopi at 123 degrees, and the heat record that reading set is the least frightening number of that Turkish summer

JUL 29, 2026

American crocodile resting on a berm beside nuclear plant cooling canals in Florida, light dug 168

Florida Power and Light dug 168 miles of canals to cool a nuclear plant, and the American crocodile that moved onto the berms is only half of what those canals have done

JUL 28, 2026

Wind turbine blades on a night convoy through a mountain town

A Colorado startup is drawing an aircraft 356 feet long to carry wind turbine blades, and the runway it plans to land on is not the kind anyone pictures

JUL 28, 2026

Rain falling on red rubber mulch spread across a flower bed

Homeowners spread rubber mulch across their flower beds for 10 years without a second thought, and the thing the first rainstorm carries off it was never printed on the bag

JUL 28, 2026

a bumblebee on a wildflower beside solar farms bumblebee habitat margins, all 1 042

All 1,042 solar farms in Great Britain were mapped for a creature almost no farmer ever sees coming, and what the 120 percent population figure actually reveals about the land beneath the panels surprises everyone

JUL 28, 2026

ROV light illuminating a brine pool surface deep on the ocean floor, nearly 6 000

Nearly 6,000 feet down in a narrow finger of the Red Sea, a lake sitting on the seafloor has been running the same trap for over 1,000 years, and the hunters working its edge never built a thing

JUL 28, 2026

Bird perched on the security fence of a nuclear fusion site

Crews building the world’s largest nuclear fusion experiment fenced off 445 acres of Provencal scrubland, and 130 bird species moved in behind the wire without anyone planning it

JUL 28, 2026

a deep-sea squid brooding giant eggs in dark ocean depths, more than 8

More than 8,000 feet down in a cold dark gulf, a mother was cradling eggs twice the record size, and the up to four year vigil she keeps turns out to be one of the ocean’s most extraordinary survival bets

JUL 28, 2026

close-up of a dog detect stress by sniffing a glass vial in soft laboratory light, four ordinary pet

Four ordinary pet dogs got 720 chances to find something hidden inside a stranger’s sweat, and the 93 percent accuracy inside those 300 million receptors is now forcing robotics engineers to rethink how their machines read people

JUL 28, 2026

aerial view of a towering Himalayan mega dam above a turquoise river canyon, nasa s geophysicist

NASA’s geophysicist calculated that one dam nudged Earth’s axis by 2 centimeters and added 0.06 microseconds to every day, and China just broke ground on one 3 times bigger

JUL 28, 2026

A magpie perched on a fence watching the sky, aerial imaging story, insurers scanned 300

Insurers scanned 300 million American rooftops from the sky before deciding on renewals, and the bird sitting on the fence below carries an ability that only a handful of species on Earth have ever demonstrated

JUL 28, 2026

orb-weaver spider on a dew-covered spider silk web at dawn, thread 1 000

A thread 1,000 times thinner than a hair has been spun in backyards for over 300 million years, and the secret hiding inside its strength finally has a molecular answer

JUL 28, 2026

a honeybee resting on a wildflower, illustrating bee species magnetic navigation, 120 bee species

Over 120 bee species were tested across 6 years to find what was guiding them home, and the built-in compass that nearly 90 percent carry turns out to share its secret with migratory birds and sea turtles

JUL 28, 2026

Napping psychology

Psychology of napping: biology says people who lie down for 20 minutes in the afternoon aren’t lazy, they may be answering a signal that even honeybees and migrating birds have never learned to ignore

JUL 27, 2026

close-up of asphalt roads surface in summer heat with an ant in focus, asphalt surfaces 94

Asphalt surfaces 94 percent of America’s paved roads and holds the title of the nation’s most recycled material, and the hidden cost of all that black surface shows up in the insects living right at its edge

JUL 27, 2026

Seven turbines of the Madison wind farm falling during demolition on a grey upstate New York day, madison county fell

Seven turbines in Madison County fell in about 30 seconds after 25 years of spinning, and what the dairy farmland around them is already becoming next reveals something big about American wind power

JUL 27, 2026

a jaguar pausing above a glowing cenote opening in Yucatan jungle, jaguar caves at dusk, train carved through

A train carved through 966 miles of the Yucatán Peninsula, piercing 120 ancient caves, and the creature a court is now fighting to protect has 12 severed paths home

JUL 27, 2026

world's largest hopper dredger cutting through grey ocean water from a low angle, 730 foot ship

A 730-foot ship named after Columbus can carry 46,000 cubic meters of sand in a single run, and the living city hiding in that seabed before the suction pipe arrives is something almost no engineer on the bridge ever stops to picture

JUL 26, 2026

Atlantic cod schooling around an offshore wind turbine foundation artificial reef, their steel bases

94 turbines were sunk into the North Sea to harvest wind, and the endangered fish that moved into their steel bases in such numbers is changing how marine biologists think about the ocean floor

JUL 26, 2026

new frog species carrying nine babies on her back on a wet leaf, 7 870 foot

A 7,870 foot mountain reachable only by helicopter shelters a species found nowhere else on Earth, and the small brown creature blinking back at researchers in the torchlight was carrying 9 live passengers on her back

JUL 26, 2026

ancient horseshoe crab with blue blood on a moonlit beach at dusk, creature crawling out

A creature crawling out of the Atlantic every spring for 450 million years carries blood worth $60,000 a gallon, and the hidden industry built around it touches everyone who has ever received a vaccine

JUL 25, 2026

a dhole wild dog caught by a camera trap at the forest edge at night, rust colored pack

A rust-colored pack hunter absent for decades had vanished from a landscape watched by 83 camera traps in northeastern India, and the six photographs taken on one October night changed that assumption entirely

JUL 25, 2026

migratory birds descending toward solar panels that reflect like a lake

Solar panels are promised to pay back their cost in 6 to 10 years, but over 138 species of bird are discovering a signal hidden inside the glass that nobody planned for

JUL 25, 2026

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