Scientists Invent Wild New Color-Changing Sparklers
The date of：
2022-09-26
viewed:
2
From weddings to Independence Day celebrations, sparklers are a hot choice for bringing some light, fire and fun to a party. A team of researchers experimented with new recipes for sparklers and came up with some wild color-changing and branching pyrotechnic effects.There are already sparklers on the market that change colors as they burn down, but these new formulations change mid-spark. The secret is in the materials that burn. Combining the rare-earth metal ytterbium with copper created a shower of long sparks that turned from gold to green. The American Chemical Society (ACS) released a video on Wednesday showing the sparkler experiments in action.The team published its results in the American Chemical Society journal ACS Omega in August. The researchers also experimented with creating eye-catching fountains. 'A powdered version of neodymium magnets created the most attractive fountain with continuously branching sparks, with each initial 'parent spark' shooting off many more sparks in just a fraction of a second,' ACS said in a statement.The striking sparklers won't be found at fireworks stands anytime soon. ACS noted 'the researchers caution that the recipes must undergo further safety testing before they can be used in commercial products.'
Hot News
/
Related to recommend
2025
-
09
-
03
Click on the number of times:
0
Concentration-Quenching-Suppressed Eu3+-Activated Ba3Lu2B6O15 Orange-Red-Emitting Phosphors via One-Dimensional Structural Confinement for Thermally Stable White LEDs 来源：ACS PublicationsConventio...
2025
-
09
-
02
Click on the number of times:
0
Modulating Electrochemical Performance of La2FeNiO6/MWCNT Nanocomposites for Hydrogen Storage Inquiries: Schiff-Base Ligand-Assisted Synthesis and Characterization来源：ACS PublicationsSince the role of ...
2025
-
09
-
01
Click on the number of times:
0
来源：ACS PublicationsThe reaction of [LnIII(OArP-κ2O,P)3] (1-Ln, Ln = La, Sm, Y, Yb, and ArPO– = 2,4-tBu2-6-(Ph2P)C6H2O–) with the copper(I) triflate toluene adduct yields the corresponding dinuclear ra...
2025
-
08
-
29
Click on the number of times:
0
来源：ACS PublicationsMalonate ligands demonstrate versatility for intercalating metal complexes into layered rare-earth hydroxides (LREHs), enabling controlled tuning of coordination geometry and compos...