The Daily Populous

'Uber for blood': how Rwandan delivery robots are saving lives | Karen McVeigh

An ingenious drone delivery service known as “Uber for blood” has slashed the delivery time of life-saving medicine to remote regions of Rwanda from four hours to an average of half an hour.

Drone delivery also means hospitals can store less blood, which means less waste as blood spoils quickly.

Facebook Twitter Pinterest A technician from Zipline installs a cardboard box with a paper parachute in a drone in Muhanga, 50km west of Kigali.

Keller Rinaudo, Zipline’s co-founder and chief executive officer, said the move will make east Africa a world leader in drone logistics.

“Some of the biggest, most powerful technology companies in the world are still trying to figure out how to do this.

The idea for the drones came during a visit Rinaudo made to the Ifakara health institute in Tanzania, in 2014.

The drone then drops the package, attached to a parachute, into a special zone near the clinic before returning to base. »

Study suggests ‘sugar coma’ is real — glucose ingestion leads to worse cognitive performance

Authored by psypost.org

Their double-blind, placebo-controlled study found that glucose-containing sweeteners were linked to reduced attention and response times.

But studies that examined the effect of glucose on other cognitive processes have led to mixed results.

The study, “The “sweet” effect: Comparative assessments of dietary sugars on cognitive performance“, was co-authored by Rachel Ginieis, Elizabeth A. Franz, and Indrawati Oey. »

Single metalens focuses all colors of the rainbow in one point

Authored by seas.harvard.edu

But, these metalenses have remained limited in the spectrum of light they can focus well.

This has only ever been achieved in conventional lenses by stacking multiple lenses.

Focusing the entire visible spectrum and white light – combination of all the colors of the spectrum — is so challenging because each wavelength moves through materials at different speeds. »

Colorado Authorities Were Warned About Gunman’s Mental State

Authored by baltimore.cbslocal.com

DENVER (AP) — Colorado authorities were contacted with concerns about the mental health of Matthew Riehl over a month before he shot and killed a deputy and wounded four others.

Authorities say Riehl fired more than 100 rounds in his suburban Denver apartment before he was killed by a SWAT team on Sunday.

Samp said it’s possible that Colorado authorities faced the same issue as Wyoming officials when an apparently mentally ill, dangerous person makes indirect threats. »

RPT-2017 safest year on record for commercial passenger air travel -groups

Authored by in.reuters.com

WASHINGTON, Jan 1 (Reuters) - Airlines recorded zero accident deaths in commercial passenger jets last year, according to a Dutch consulting firm and an aviation safety group that tracks crashes, making 2017 the safest year on record for commercial air travel.

Dutch aviation consulting firm To70 and the Aviation Safety Network both reported Monday there were no commercial passenger jet fatalities in 2017.

As recently as 2005, there were 1,015 deaths aboard commercial passenger flights worldwide, the Aviation Safety Network said. »